JUNIPER SYSTEMS GNS3 Real Time Sub Meter GPS Receiver User Manual

: June 16, 2024
: JUNIPER SYSTEMS

Table of Contents

GNS3 Real Time Sub Meter GPS Receiver
Introduction
Geode Features
Getting Started
Set Up Geode Connect for iPad and iPhone
Learn Geode Connect for iPad and iPhone
Set Up Geode Connect for Android
Learn Geode Connect for Android
Set Up Geode Connect for Windows PC
Learn Geode Connect for Windows PC
Appendix A: Serial Port Configuration
Appendix B: Warranty and Repair Information
Appendix C: Warnings,
Appendix D: Geode Receiver Specifications
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

geode™
GNS3 Receiver
User’s Manual

GNS3 Real Time Sub Meter GPS Receiver

Geode GNS3 Real-Time Sub-Meter GPS Receiver

© Copyright 2023, Juniper Systems, Inc. All rights reserved.
Information is subject to change without notice.
Juniper Systems is a registered trademark of Juniper Systems, Inc. Geode and Geode Connect are recognized trademarks of Juniper Systems, Inc.
Apple, Apple logo, iPad, and iPhone are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc.
Use of the Made for Apple badge means that an accessory has been designed to connect specifically to the Apple product(s) identified in the badge, and has been certified by the developer to meet Apple performance standards.
Apple is not responsible for the operation of this device or its compliance with safety and regulatory standards.
Windows is a registered trademark of Microsoft Corporation in the United States and other countries.
Android and Google Play are trademarks of Google LLC.
The Bluetooth word mark is owned by Bluetooth SIG, Inc.
Any use of such marks by Juniper Systems, Inc. is under license.
Other trademarks and trade names are those of their respective owners.
Part Number 30725-03

WARNING! This symbol indicates that failure to follow directions could result in serious injury.
CAUTION: This symbol indicates that failure to follow directions could result in damage to equipment or loss of information.

tel: 435.753.1881
web: www.junipersys.com
1132 W. 1700 N. Logan, UT 84321

Introduction

The Juniper Systems Geode GNS3 GNSS Receiver is a precision GNSS receiver. With the Geode, you can collect real-time, centimeter, decimeter, sub-foot, or sub-meter, GNSS data. It works with a wide range of iPhone®, iPad®, Android®, and Windows® devices to fit your needs. Take the Geode with you mounted on a pole, in a pack, or held in your hand to collect real-time GNSS data in harsh environments—including heavy tree canopy and mountainous areas—using almost any handheld device.
Like other Juniper Systems products, the Geode is built ultra-rugged. Rated IP68, it is dustproof as well as waterproof to a depth of 1.4 meters (4.5 ft) for 30 minutes or longer. It can survive multiple drops from 1.2 meters (4 ft) to concrete. It is designed to withstand harsh environments and provide a consistently reliable performance. While stand-alone singlefrequency GPS receivers are accurate to only two to five meters or more, the Geode uses NTRIP, SBAS, or Atlas® corrections and combines complex smoothing algorithms and full-wave carrier phase tracking to deliver precision GNSS accuracy depending on the configuration.

Note: GNSS accuracy is subject to observation conditions, multipath environment, number of satellites in view, satellite geometry, and ionospheric activity.
The Geode GNS3 is available in two hardware configurations with multiple activations and subscriptions to meet a variety of needs.

1.1 Geode, Geode GNS2, and Geode GNS3
Features that are specific to the Geode GNS3 are identified throughout this manual. For information about the Geode and Geode GNS2, see the Geode Owner’s Manual.
Juniper Systems offers two GNS3 models, the GNS3M and the GNS3S.
GNS3M: includes a multi-frequency antenna (L1, L2, L5) and an option to subscribe to receive Atlas corrections.
GNS3S: includes a single frequency antenna (L1). This configuration cannot be updated to a GNS3M multifrequency.

Geode Features

The Geode is a real-time, precision GNSS receiver. This means the Geode, depending on the corrections used, is has sub-meter to centimeter accuracy. This is the cutting edge of geospatial technology. Historically, this level of precision and accuracy was only available via postprocessing software or expensive survey-grade equipment.

2 .1 Accuracy and Precision
It is important to note that in the context of GPS, accuracy and precision are related, but not the same thing.
Accuracy refers to the radius of the circle of unknown around a true point. The smaller the radius, the higher the accuracy. The exact range of the Geode’s accuracy depends on the corrections used. This means the Geode can plot a position to within a sub-meter (or better) radius of the true point.
Precision refers to repeatability or how frequently a receiver can plot a point inside the circle of accuracy and whether or not that circle is centered over the true point.
Over time, any stationary GPS receiver will plot multiple positions for a given point. This happens because of errors caused by variables in the satellites, the surrounding physical environment, and the ionosphere. Modern geospatial technology has made huge progress in correcting for those errors, but a receiver’s real-time accuracy is dependent on its ability to process those corrections. The points plotted by the stationary receiver eventually form a scatter plot. Precision is the percentage of points on the scatter plot that fall within the circle of accuracy.

For the Geode in ideal conditions, 95–98% of the points on a scatter plot will fall within a sub-meter radius of the true point.
GPS manufacturers quote their accuracies in different ways. They use different statistical descriptions of probability. A GPS receiver may be sub-meter. That is, it may be able to plot points within a meter radius of the true point. However, those points may only fall within that meter radius, 50–60% of the time. The accuracy for those receivers is sub-meter, but the precision is only 50–60%.

These claims largely depend on the statistical method used to calculate accuracy. One manufacturer might use circular error probable (CEP), a calculation that qualifies the data as sub-meter only 50% of the time. Another could use root mean square (RMS), denoting the data is only truly sub-meter around 65% of the time. The third manufacturer could use twice the distance root mean square (2DRMS), a measure that indicates the data as sub-meter accurate around 95–98% of the time.

2.2 GPS vs. GNSS
A GPS receiver’s reliability refers to the consistency with which it is able to secure enough satellite signals to produce accurate, precise positioning. This becomes a challenge when the receiver’s immediate surroundings interfere with its line-of-sight to the satellites. For example, tall trees and buildings are common challenges to GPS receivers’ reliability.

The Global Positioning System (GPS) is the United States government’s navigation satellite constellation. As of June 2021, the GPS constellation consists of 31 operational satellites. You can view six or more GPS satellites from virtually any point on the planet. The US government has stated that it is committed to maintaining the availability of at least 27 GPS satellites 95% of the time.

The standard configuration for the Geode is that of a GPS receiver. This means that it receives positioning data from the US government’s GPS constellation of satellites. In order to calculate an accurate position, the Geode (or any GPS receiver) needs a direct line of sight with at least four satellites. Without that fourth satellite, the receiver has to estimate altitude which can affect horizontal accuracy by hundreds of meters. This is not likely to be a problem if you are collecting data in an open, flat landscape. However, if you are collecting data in the mountains, under heavy canopy, or in a city scape, physical obstructions may make it difficult to view four satellites in the GPS constellation simultaneously.
This is why the Geode also comes with GNSS. GNSS stands for Global Navigation Satellite System, and it encompasses all global satellite constellations from various countries and unions. Specifically, the Geode can receive positioning data from the following satellite constellations: GPS (US), GLONASS (Russia), GALILEO (European Union), BeiDou (China).
With the Multi-GNSS configuration, the number of satellites available at any given moment is multiplied. This greatly increases the likelihood that your Geode will be able to get a fix on multiple satellites simultaneously, even under thick canopy or in the middle of a densely populated city block. With more satellites available to the Geode, total data sets in challenging environments are consistently higher quality.

The Multi-GNSS configuration of the GNS3 makes the Geode’s ability to deliver precision GNSS more reliable under what used to be considered “less-than- ideal” circumstances.
Note: GNSS accuracy is subject to observation conditions, multipath environment, number of satellites in view, satellite geometry, and ionospheric activity.

2.3 GNSS Augmentation
GNSS data (including GPS) will unavoidably have errors in it. Sources of GNSS error include:

■ Deviations in GNSS satellite orbits
■ Inaccurate clocks on the GNSS satellites
■ Ionospheric activity that changes daily and hourly
■ Interference of satellite signals that creates noise in the multipath environment
When a manufacturer touts a receiver’s accuracy, it is usually referencing the receiver’s accuracy under ideal conditions. These ideal conditions minimize sources of error. They include flat, open landscapes with clear skies and no buildings or trees interfering with the receiver’s direct line- of-sight to at least four, perfectly positioned satellites. But even these ideal conditions require corrections because the ionosphere is constantly changing and users have no control over satellite orbits or timing.
The Geode is built to be a rugged, go-anywhere GNSS receiver. It is built to perform in all environments, no matter how challenging. This extends even to its receiver capabilities. As with all receivers, it will be more accurate under ideal conditions, but it also has the ability to access and integrate data from various correction and satellite augmentation services so it can provide real-time high accuracy positions in the rugged, less-thanideal environments it was built for.

2.3.1 SBAS Differential Correction
The Geode receives Satellite Based Augmentation System (SBAS) data. SBAS includes regional networks of ground and satellite technologies that work together to boost the accuracy and dependability of GPS data. SBAS uses stationary land-based GPS monitors to calculate GPS position errors caused by ionospheric disturbances. This error causes delays in timing, which result in position errors.
To calculate GPS position errors, GPS data from satellites are compared against the precisely documented locations of each land-based station. Any discrepancy is determined to be an error. These errors are sent to the master control station, which create a real-time regional model for correcting ionospheric errors. This correction model, also known as an ionospheric map, is sent to geostationary satellites and broadcast throughout the region. These SBAS corrections—called deviation corrections—allow GPS receivers to more accurately and reliably determine their position.
GPS is normally accurate to about five meters, but when using SBAS user’s can achieve an accuracy of two meters or better. The Geode combines SBAS corrections with complex smoothing algorithms and full-wave carrier phase tracking to deliver accuracies better than 60 cm 2DRMS. In other words, 95–98% of the positions recorded by the Geode will be within 60 cm of the true point.
2.3.2 NTRIP and RTK
NTRIP stands for Network Transport of RTCM via Internet Protocol. It delivers the corrections used for Real-Time Kinematic (RTK) Positioning. Where available, RTK and CORS networks stream data corrections over the internet, allowing the Geode to calculate an RTK Fix/Float position solution with differential GNSS accuracy.
NTRIP makes it possible to create networks of localized base stations that increase both availability and precision of RTK corrections. Since distance from a base station strongly affects positioning precision and accuracy, NTRIP-enabled RTK networks are able to calculate the user’s closest base station or use algorithms and modeling to create a virtual base station very close to the user’s receiver. The Geode accesses NTRIP-enabled RTK services via the cellular data or internet capabilities of the device it is connected to. These services require a subscription and a stable internet connection. The Geode uses the data provided by the NTRIP-enabled RTK network to achieve a precise RTK Fix/Float solution.
2.3.3 Atlas Correction Service
The Atlas Correction Service is a worldwide L-band satellite based correction that covers almost all of the land 75° north and south of the equator.
The Geode GNS3M includes an option to subscribe monthly or annually to Atlas to receive extra corrections. The three options provided are Atlas Basic, H30, and H10.

Atlas Basic: as good as 50 cm accuracy (similar to SBAS) with 95% precision
H30: as good as 30 cm accuracy with 95% precision
H10: as good as 10 cm accuracy with 95% precision
This correction service varies depending on tree cover, and does not work under a heavy tree canopy.
When using Atlas corrections, the satellites can take time to converge depending on the subscription you have.
Atlas Basic: typically 5 minutes or less
H30: typically 15–30 minutes or less
H10: typically 30 minutes or less
To check the level of subscription of your unit, go to Receiver Configurations

Manage Subscriptions.
When Atlas is enabled, the satellite icon color in the top right corner of Geode connect will indicate the signal quality.

■ Blue: Bit Error Rate (BER) between 0 and 20; Excellent signal
■ Green: BER between 21 and 150; Good signal
■ Orange: BER between 151 and 250; Marginal signal
■ Red: BER above 250 to 500; Poor/Unusable signal

These colors can also be seen when using SBAS if the RD1 message is enabled.

2.4 Update Interval Rate
The standard Geode configuration comes with an update interval rate of 1 Hz. This means the Geode updates its position and outputs that data to the connected device once per second.
There is an optional upgrade for update intervals up to 10 Hz or 20 Hz (10 or 20 updates per second) available. These upgrades also allow for update adjustments of 2 Hz, 5 Hz, and 10 Hz. Higher update rates are important for projects in which you are collecting data at faster speeds.

Note: At higher data rates, we recommend turning off messages not required for your application, such as GNS, RRE, and VTG messages.
For more information about how to upgrade the update interval rate, see:

■ iPad and iPhone: 5.5.4 Upgrade Geode on page 53
■ Android: 7.5.4 Upgrade Geode on page 96
■ Windows: 9.5.4 Upgrade Geode on page 138

2.5 Operating Systems
The Geode GPS Receiver is able to communicate with a wide range of computing devices such as an iPhone or iPad as well as other laptops, tablets, and smart phones. These devices may also run a variety of operating systems, including iPhone, iPad, Android, and Windows 10/11.

2.6 Geode Connect Geode
Connect is a simple utility app designed to make the Geode easy to use. Geode Connect provides you with the ability to easily establish a Bluetooth wireless, USB, or serial connection with their handheld device, report position information of the Geode, and customize the most commonly used configuration settings.
Although Geode Connect has limited data-capture features, it is not intended to replace your mapping, navigational, or data-collection app. Juniper Systems offers a full mapping software application called Uinta that can be used with the Geode. Juniper Systems also partners with several software developers who offer mapping applications that can be used with the Geode.
Geode Connect is free for download from the Juniper Systems website and various app stores. For more information about downloading and using Geode Connect with your specific operating system, refer to:

■ Chapter 4: Set Up Geode Connect for iPad and iPhone, on page 22
■ Chapter 6: Set Up Geode Connect for Android, on page 59
■ Chapter 8: Set Up Geode Connect for Windows PC, on page 103

2.7 Third-Party Applications
The Geode streams NMEA 0183, RTCM, and Crescent Raw Binary data protocols, which makes it compatible with most mapping, navigational, and data-collection software. It will usually work seamlessly with the app that you are already using. It will simply improve the precision, accuracy, and reliability of your data.

For a list of professional GPS and GNSS data-collection apps, visit the Juniper Systems blog at blog.junipersys.com and search for data-collection software.
Note: When using the Geode with Android devices, some mapping and data- collection apps do not readily indicate which receiver they are connected to, the highly accurate and reliable Geode GPS Receiver or the device’s own internal, consumer-grade GPS receiver. For information about identifying and solving this problem, see page 77.

2.8 Juniper Rugged™
Like other Juniper Systems products, the Geode is built ultra- rugged—waterproof, dustproof, and drop proof. It is designed to withstand harsh environments. It features IP68rated protection, meets or exceeds MIL-STD 810G (drop, vibration, temperature, ingress protection), and operates in extreme temperatures, providing reliable performance wherever you need to collect data.
2.9 Bluetooth ® Wireless Technology
The Geode is equipped with a Class 1 Long Range Bluetooth wireless transmitter. It has a range of approximately 100 meters or 328 feet. However, the device you are pairing with the Geode may or may not have the same range. It may be a good idea to test this range before relying on it heavily. For instructions on pairing your Geode with your handheld device or laptop, see Chapter 3: Getting Started, on page 17.

2 .10 Antennas
Juniper Systems offers two GNS3 models, the GNS3M and the GNS3S.
GNS3M: includes a multi-frequency antenna (L1, L2, L5) and an option to subscribe to receive Atlas corrections.
GNS3S: includes a single frequency antenna (L1). This configuration cannot be updated to a GNS3M multifrequency.

For applications involving dense canopy or other skyline interferences, the Geode includes an external antenna port allowing you to place an external antenna in an area with better sky visibility. Consult Juniper Systems Technical Support before using the Geode with an external antenna.

2.11 LED Status Indicators
There are four LED Status Indicators on the face of the Geode.

Amber LED: Blinks when a 3D GPS fix is made (four or more satellites) and turns solid when a DGPS fix is made (a correction source is being applied to the solution).
Blue LED: Solid when the Geode unit is connected via Bluetooth wireless technology in Geode Connect.
Red LED: 1) Blinks slowly when battery is charging. 2) Solid when battery is fully charged. 3) Blinks rapidly when battery cannot accept a charge (e.g., from a laptop computer that doesn’t have enough power to charge the Geode or other faulty power supply).
Green LED: 1) Solid when the power is turned on. 2) Blinks when the battery needs to be charged.

2 .12 Power Supply and Battery
The Geode comes with a 15 W, 100-240 V AC universal USB power supply with adapters for the US, UK, and EU. AU/NZ adapters are supplied separately.

The Geode also comes with two USB cables:
■ USB-C to USB-C: Recommended for use as a primary charging cable. Use this when the device is powered on and charging at the same time. This cable can also be used for data transfer.
■ USB-A to USB-C: Legacy cable used for charging when the receiver is powered off.
The supplied US, UK, or EU adapter can be used with either cable.
The Geode has an internal, non-removable battery that can provide 10+ hours (up to 16 hours for the GNS3S) of use. The battery may require as much as six hours to charge before the first use. Subsequent charges should take four hours or less, depending on the remaining power. Before storing the Geode for any amount of time, ensure the battery is fully charged.
To charge the Geode in the field, use the included USB cable and a vehicle USB adapter to plug the Geode into a vehicle’s 12 V power port. For best results, use an adapter that is rated at least 10 Watt/2.1 Amp.
Charging the Geode by connecting it to a battery-powered PC or handheld device is not recommended. Most of these devices do not have enough power to charge the Geode. If the Geode detects it is connected to a battery with insufficient power, it will not charge. The red light will flash rapidly indicating that the Geode is not charging. If you connect the Geode to a device via USB for data transfer, the red light may still flash rapidly to let you know that the battery isn’t charging. This does not affect the data transfer.

CAUTION: The Geode needs to be charged at least once a month. If the battery drains completely, it may not recover, and your Geode will need to be sent in to Juniper Systems for a battery replacement.

2 .13 Connector Ports
The Geode comes standard with a USB-C port for charging the receiver and for connecting it to a PC or handheld device. It also comes with an external antenna port. This port will supply the external antenna with 3.3 volts at up to 45 mA of power. Consult Juniper Systems Technical Support before using the Geode with an external antenna.
The Geode includes a Serial RS-232C 9-pin port. This allows the Geode to be mounted to a piece of equipment while maintaining a constant connection for data and power. Use a straight-through 9-pin cable to communicate with your Geode. For a list of functions for each pin, refer to Appendix
A: Serial Port Configuration, on page 148.

2.14 Carrying Options
The Geode can be carried in a number of different ways. It can easily be carried in-hand, in a pack, or mounted on a pole, depending on what your individual needs are.
For a complete list of carrying options, visit the Geode page on the Juniper Systems website or go to the blog at blog.junipersys.com and search for Geode.

2.14.1 Camera Tripod Mount
The Geode can be attached to a camera tripod using the 1/4”-20 mounting hole in the case. The screw must be less than 0.3” (7 mm) long to avoid damaging the case. Also included with the Geode is a 5/8”-11 adapter that fits into a camera tripod hole. This will allow the Geode to be mounted to a standard 2 meter survey pole.

2.14.2 Mounting Plate
The Geode can be mounted diagonally on a standard AMPS-style mounting plate. Many other attachments support the AMPS diagonal style mounting interface. Use attachment screws size M4 (less than 0.17” (4.5 mm) long).

Getting Started

The Geode GPS Receiver is designed to be ready to use right out of the box. Simply charge the battery and pair the Geode with a Bluetooth® wireless technology-enabled handheld device. The Geode may be used with most mapping apps that use industry standard NMEA 0183 protocol.

Anatomy of the Geode

1 LED Status Indicators
2 Power Switch| 3 MCX Antenna Connector
4 USB-C
---|---

5 M4 Amps Port (1 of 2)
6 RS-232C Serial Port| 7 GNS3 Label
8 1/4”–20 Attachment Port
---|---

3.1 Perform Initial Tasks
When you receive your Geode, perform the tasks outlined in this section before first use.

3.1.1 Review Documentation
This owner’s manual and other documents are available on the Juniper Systems website at www.junipersys.com/products/geode. View, download, and print documents as desired.

3.1.2 Charge the Battery
The Geode has an internal, non-removable battery that can provide more than 10 hours of use. When your Geode arrives, the battery will carry a charge. However, a complete charge is recommended before relying on the Geode for a full day of work. Charge the battery as follows:

Insert the USB-C end of the included USB charge cable into the wall charger.
Insert the other USB-C end into the Geode.
If necessary, attach the appropriate plug adapter for your country onto the AC wall charger.
Plug the charger into a wall socket.
Charge the battery pack at room temperature (68°F or 20°C) for 4–6 hours (for the first charge). While the battery pack is charging, the red LED blinks. When it is fully charged and external power is applied, the red LED is solid. The LED will turn off when the external power is removed.

Note: For best results, only use the included wall charger and cable to charge the internal battery. Using a thirdparty USB cable may result in extremely long charge times or an incomplete charge.

3.2 Turn on the Geode
To turn on the Geode, press and release the power key .
The green LED Activity Indicator turns on.

3.2.1 Reset the Geode
You can perform a soft or receiver reset for the Geode using the power key by following the instructions below.

Soft Reset
A soft reset will set the Geode back to the default settings.
To perform a soft reset,

Press and hold the power key for 5 seconds.
When the LED Activity Indicator flashes slowly, release the power key.

The Geode will perform a soft reset then turn off when the reset is complete.

Receiver Reset
A receiver reset will set the Geode back to the factory settings. To perform a receiver reset,

Press and hold the power key for 15 seconds.
When the LED Activity Indicator flashes quickly, release the power key.

The Geode will perform a receiver reset then turn off when the reset is complete.

3.3 Connect the Geode to a Mobile Device
The best way to connect your mobile device to the Geode receiver is via Juniper Systems’ Geode Connect app for iPhone, Android, or Windows.
For more information about downloading and using Geode Connect with your specific operating system, refer to:

■ Chapter 4: Set Up Geode Connect for iPad and iPhone, on page 23.
■ Chapter 6: Set Up Geode Connect for Android, on page 60.
■ Chapter 8: Set Up Geode Connect for Windows PC, on page 104.

Geode Connect is intended to serve as a connection and configuration utility for the Geode receiver. Although it has some data capture and mapping demonstration features, it is not intended to replace your mapping, navigational, or data-collection app. Juniper Systems partners with several software developers who offer mapping applications that can be used with the Geode.”
Depending on what other mapping or data-collection software you are using, Geode Connect may be required. For example, you may need Geode Connect to serve as an NTRIP client for another app, or you may need it to act as the mock location provider on your Android device. For more information, see Enable Mock Locations on page 7 7.

Set Up Geode Connect for iPad and iPhone

As a configuration and communication utility for the Geode GNS3 GPS Receiver, Geode Connect provides you with the ability to establish communications with the Geode; change receiver settings; and view position, altitude, estimated horizontal error, differential status/fix information, speed, heading, satellites in fix, correction signal, and PDOP.
This chapter gives an overview of the features included in Geode Connect for iPad and iPhone. It gives details about specific settings that can optimize the Geode’s precision, accuracy, and reliability, depending on the situation and environment. It also gives specific instructions about the nuances of using the Geode with iPad, iPhone, and thirdparty apps.

4.1 Download and Install
Geode Connect is available for download in the App Store and on the Juniper Systems website.
4.1.1 The App Store
Search for Geode Connect in the App Store. Install according to the device instructions.
4.2 Connect with the Geode
To pair your Geode with an iPhone or iPad via Bluetooth, you can use Geode Connect to connect your devices directly or connect through the OS of your device before connecting it in the Geode Connect app.
4.2.1 Connect through Geode Connect

Power on the Geode and open Geode Connect on your device.
Click OK to pair your device with the Geode.
If the Geode has not been connected to this device before you may need to search for nearby devices.
On the Geode Connect Device page, tap Discover Nearby Devices.
Tap OK.
In the Select An Accessory dialog box, select the serial number of your Geode.
Note: The serial number can be found on the bottom of the Geode.
When the Geode is paired with your iOS device, a green “Pairing Successful” banner will appear.
On the Connect Device page, select your Geode.
When your Geode is selected, the Home page will appear.

4.2.2 Connect through OS

Power on the Geode.
Go to the Settings app on your iPhone.
Go to Bluetooth > Other Devices.
Select the Geode you wish to pair with. It will be listed with its serial number, which can be found on the bottom panel of the Geode.
Allow the iPhone to complete the pairing process.
Open Geode Connect.
Select Connect Device.
Tap on the Geode you want to connect with.

Learn Geode Connect for iPad and iPhone

5.1 Home Page

The Home page for Geode Connect serves as a dashboard for the Geode receiver. On this page, you can view connection status, correction mode, and positioning data. It displays latitude, longitude, altitude, estimated horizontal error, fix info (GPS, DGPS, RTK, etc.), speed, heading, number of satellites in fix, PDOP, and correction signal.
You can drag and drop each box to reorganize the screen to your preference.

From the toolbar on the bottom of the screen, you can access the Skyplot, Points, Terminal, and Settings pages. Tapping on the More icon in the bottom right corner will allow you to configure the currently connected receiver. Tapping on the orange Geode icon in the top left corner will allow you to disconnect or change your receiver. The satellite icon in the top right corner will tell you which correction service you are using and it will turn green when you are connected. If the RD1 message is enabled, the satellite icon color will change relative to the signal quality. For more information see, 2.3.3 Atlas Correction Service on page 10.

5.2 Skyplot Page

The Skyplot page shows which satellites are being used in the positioning solution and where they are in the sky. It also shows satellites that are being tracked by the Geode.
On the Skyplot page, each satellite is identified by a space vehicle number (SVN) and color for its constellation. The location of each satellite on the skyplot indicates where it resides in the sky overhead relative to true north. The outside ring is 0° elevation (horizon). The inside ring is 45° elevation—halfway above the horizon from the Geode’s present location. The intersection of the two lines indicates directly overhead.

Satellite symbols outlined in red indicate that the satellites are being tracked, but they are not yet a part of the positioning solution. Satellite symbols outlined in blue indicate that a correction is being applied to the signal.
Multi-GNSS Geode models support the Galileo, BeiDou, GPS, QZSS, SBAS, and GLONASS constellations.
The Skyplot page is meant to be used as a guide. It shows the relative visibility of satellites in the sky, but it is not an absolute reference for satellites used in the positioning solution.

5.3 Points Page

The Points page allows you to demonstrate point capture and export captured data as CSV, KML, or KMZ files. This feature allows you to validate the accuracy of the Geode without requiring the use of a third-party app.

5.3.1 Capture Waypoints

With the Geode in the position you would like to capture, tap the waypoint icon .

A waypoint with your location will be added to your list.

5.3.2 Organize and Edit Waypoints
Organize waypoints by tapping in the upper left corner beneath the Geode symbol. The app will cycle through the following organizing methods: oldest, newest, A to Z, Z to A , and proximity.

To edit the name of a waypoint,

Tap on the waypoint you want to rename.
Tap on the waypoint name beneath the coordinates.
Type the new name.

5.3.3 Export or Delete Waypoints

Tap Select (in the upper right corner).
Select the waypoints you want to share or delete.
To delete the selected waypoints, tap the trash icon (in the bottom left corner) and confirm deletion.
To export the selected waypoints, tap the share icon (in the bottom right corner).
Name the export file.
Choose the file format (CSV, KML, or KMZ).
Tap Export.
Export or share according to the apps and instructions for your iPad or iPhone.

5.4 Terminal Page

The Terminal page displays the NMEA sentences the Geode is receiving. It provides the options to include timestamps (top left) or to pause the data (top right).

At the bottom of the Terminal page, you can send commands to the Geode. This gives you flexibility to configure the Geode and customize data output.

Tap Send Command.
Tap Show/Hide logging to show or hide the NMEA strings in the terminal.
Tap Send custom to enter a custom command.
Tap JSHOW to show the current receiver configurations.
Tap Clear to clear the terminal screen.

For a comprehensive list of commands and messages that can be used to configure the Geode, please refer to technical documentation provided by Hemisphere GNSS.

Go to https://hemispheregnss.com/ > Resources & Support > Technical Documentation.
Under General, tap on Technical Reference Guide (it may include a version number).

CAUTION: Use at your own risk. It is possible to cause communication or other errors in the Geode that may require technical assistance to repair.

5.4.1 Capture, Save, or Share NMEA Sentences
To record the NMEA sentences the Geode is receiving,

Tap the plus icon in the lower right corner to display the menu.
Tap the play icon to begin recording your data.

To stop recording,

Tap the red recording icon. The string of NMEA sentences will be saved.

Tap the folder icon to view the saved recordings. From this screen you can organize, share, or delete the NMEA recordings.

5.5 Settings (More) Page

The Settings page provides options for the configuration of the Geode receiver and Geode Connect settings. These options are listed below:

■ Preferences on page 36
■ Connect Device on page 37
■ Receiver Configuration on page 37
□ Port Connection on page 38
□ Active GNSS Constellations on page 40
□ NMEA Sentences on page 40
□ Update Rate on page 41
□ Advanced on page 41
▶ NMEA Precision on page 43
▶ Mask Angle on page 43
▶ Correction Source on page 44
▶ SBAS on page 45
▶ Receiver Mode on page 47
▶ Battery Status Sentence on page 48
▶ Receiver Reset on page 49
□ Manage Subscriptions on page 50
□ Configure NTRIP on page 51
■ Upgrade Geode on page 53
■ Request Help and Send Feedback on page 57
■ About on page 58

5.5.1 Preferences
The Preferences screen allows you to customize your preferences for how information is displayed in Geode Connect.

You can specify application units (feet or metric), position format, and whether or not the app will show the hemisphere.

Note: Changes must be saved in order for them to remain from screen to screen. To save changes, tap Save in the upper right corner before you leave this screen.

5.5.2 Connect Device
The Connect Device screen allows you to connect your iPad or iPhone to the Geode.
For more information, see 4.2 Connect with the Geode on page 23.

5.5.3 Receiver Configuration
Note: The Receiver Configuration options are only available if you are actively connected to a Geode receiver. Changes saved on these screens are changes made to the Geode receiver, not Geode Connect. This means that these changes crossover and are effective in other navigational and data-collecting apps.
This page allows you to configure the Geode according to the specific needs of your project or application. Detailed descriptions of the options are available underneath each specific setting.

Note: Changes must be saved in order for them to remain from screen to screen. To save changes, tap Save in the upper right corner before you leave this screen.

Port Connection

The Geode remembers its settings per connection type. You can use the Port Connection option to configure these settings for each connection type, without physically switching the connection for the Geode.

Tap Port Connection to access the menu with the port options.
Select the port you would like to configure.
Change the settings as desired and tap Save.

For example, here are three different possible use cases for the same Geode.
■ Use Case 1: Mounted on a pole for data collection on foot in heavy tree canopy.
□ Bluetooth wireless connection settings optimized for slow travel and GNSS (more potential satellites in view through the trees).
■ Use Case 2: Mounted in the cab of a truck for carefully locating previously marked research sites.
□ USB connection settings optimized for slower travel and NTRIP correction.
■ Use Case 3: Mounted on a fast moving four wheeler on rolling hills with open sky.
□ RS-232C connection settings optimized for speed and unobstructed open sky.

Active GNSS Constellations

You can choose which GNSS constellations to use in your solution: GPS and/or Multi-GNSS.

NMEA Sentences

You can choose which NMEA sentences you want the Geode to receive. In most instances, the default NMEA sentences will be sufficient for your project or application.
Note: iPhone and iPad require the GGA and RMC messages to be enabled in order to provide a position to the operating system for other apps to use.

The following list explains the available NMEA sentences:
■ RD1: Correction diagnostic message output
■ DTM: Datum reference
■ GBS: Satellite fault detection used for RAIM
■ GGA: Detailed GPS position information
■ GLL: Latitude and longitude data
■ GNS: Fix data for a single or combined satellite navigation system
■ GRS: GNSS range residuals
■ GSA: GPS DOP and active satellite information
■ GST: GNSS pseudorange error statistics
■ GSV: GNSS satellites in view
■ RMC: Recommended minimum specific GNSS data
■ RRE: Range residual message.
■ VTG: Course over ground and ground speed.
■ ZDA: UTC time and date information

Update Rate

You can specify your preferences for the update rate.
Note: At higher data rates, we recommend turning off messages not required for your application, such as GNS, RRE, and VTG messages.
To upgrade the update rate, see 5.5.4 Upgrade Geode on page 53.

The Advanced screen allows you to configure the following advanced settings for the Geode.
■ NMEA Precision
■ Mask Angle
■ Correction Source
■ SBAS
■ Receiver Mode
■ Battery Status Sentence
■ Receiver Reset

Note: Changes saved on this screen are changes made to the Geode receiver, not Geode Connect. This means that these changes crossover and are effective in other navigational and data-collecting apps.

This specifies the number of decimal places to output in the GGA, GLL, and GNS messages.

This specifies the elevation mask angle cutoff for the receiver. Any satellites below this angle will be ignored, even if they are available.

This specifies whether the Geode should automatically choose its correction source or accept only SBAS, NTRIP, or Atlas corrections. When the correction source is set to Auto, the Geode is programed to choose a source according to accuracy level in the order of Atlas, SBAS, then NTRIP.
If it fails to reconnect (usually after about two minutes), it will default to an SBAS corrected solution.
Note: If this happens in the middle of collecting data, it may create significant error between positions because different correction sources use different reference datum.
Manually selecting a correction source overrides the Geode’s default settings. If NTRIP is selected, the Geode will use NTRIP, but if it loses the NTRIP signal, it will default to an autonomous (uncorrected) solution.
If the Geode is accepting SBAS corrections and it loses its signal, it will always default to an autonomous solution.
If Atlas is selected, the Geode will use Atlas correction and if it loses the signal, it will default to an autonomous solution.
When the Geode is configured to use an NTRIP service, Geode Connect does not automatically select NTRIP as the only correction source. When using NTRIP, the best practice is to manually select NTRIP as the only correction source.

This specifies which SBAS satellites the Geode should use for GPS correction. Usually, selecting Auto is sufficient because the various SBAS services cover different geographical areas. However, there are some areas where these services overlap (see map below).
For example, if you are collecting corrected GPS positions in the Northeastern United States, the Geode may be receiving SBAS corrections from WAAS or EGNOS. If the receiver is set to Auto, it may even jump back and forth between the two.
The two services use different reference datum or models.
Switching between them can cause significant error between different points of data.
In areas of overlap, the best practice is to select a specific SBAS service the Geode should accept corrections data from.

■ Auto: Sets the appropriate SBAS PRNs based on the autonomous GPS position.
■ EGNOS: European Geostationary Navigation Overlay Service (Europe SBAS) PRN 120, 124, 126
■ GAGAN: GPS Aided GEO Augmented Navigation (India SBAS) PRN 127
■ MSAS: MTSAT Satellite Augmentation System (Japan SBAS) PRN 129, 137
■ SDCM: System for Differential Correction and Monitoring (Russia SBAS) PRN 125, 141, 140
■ SouthPAN: Southern Positioning Augmentation Network (Australia and New Zealand SBAS) PRN 122
■ WAAS: Wide Area Augmentation System (North America SBAS) PRN 133, 135, 138
■ None: SBAS corrections disabled.

These options affect how the Geode collects and processes positioning information, as well as how it outputs certain types of data.

■ GPS Only: Enabling this option tells the receiver to only accept signals from GPS satellites. It stops receiving all GNSS signals as long as this box is checked. This may be a useful option in open areas with little interference, particularly if you are trying to preserve battery life.
■ Mixed: Enabling this option (default) tells the receiver to use all GNSS satellite signals available to calculate the position solution. This includes non-GPS satellites, which do not have DGPS or SBAS corrections. Certain NTRIP services do provide corrections for non-GPS satellites. For most applications, Mixed is the best choice, particularly if there is a lot of interference.
■ NULL NMEA: This option is available because different navigational apps interpret NULL messages differently. As a default, when the Geode loses its position (cannot get a fix), it sends out a NULL NMEA message. Some apps interpret this NULL message to mean that the Geode’s position is (0°, 0°), which is west of Africa in the Atlantic Ocean. If the app you are using starts showing your position as (0°, 0°), deselecting this option will most likely correct the problem.
■ SBAS Ranging: When this option is enabled, it tells the receiver to treat SBAS satellites as GPS satellites. Doing so has the potential to speed up the initial position fix. However, SBAS satellites operate in a time system distinct from that of the GPS satellites, so a position solution that includes SBAS satellites may be less accurate than a GPSonly or GNSS-only solution. The recommendation is to enable this option to speed up the initial position fix and to disable it for improved accuracy.
■ SureTrack: You will only see this legacy feature that applies to GNS 1 and 2 if you are using an older version of Geode Connect.
■ Tunnel: This option enables faster reacquisition after coming out of a tunnel. Use it as needed.

Note: Changes must be saved in order for them to remain from screen to screen. To save changes, tap Save in the upper right corner before you leave this screen.

This gives the option to choose how frequently the Geode sends a battery status message. The message is used by Geode Connect and other applications to display the battery capacity status. The default setting is 10 seconds.
The message is sent out from the Geode as a custom message along with the NMEA sentences. The message is visible in the terminal screen, as are all other NMEA messages and commands. In Geode Connect, the battery status sentence looks like this:

This sentence may not be recognized by some navigation or data-collection apps. If it causes problems in an app, disable it. Reset Options allows you to select if you would like to perform a soft reset or a receiver reset.
A soft reset reconfigures the Geode to all its default settings. A receiver reset does the same, but it also clears all ephemeris, almanac, and clock data. The Geode will redownload the data the next time it connects with a positioning satellite. This will increase the time to first fix by about 4–6 minutes the first time you turn the Geode on outside after a receiver reset.
The two Almanac messages from the GPS satellites alternate every 12.5 minutes. After a receiver reset, the best practice is to turn on the Geode and wait 25 minutes to ensure a complete Almanac has been stored.
CAUTION: Resetting the receiver cannot be undone.

Manage Subscriptions GNS3M devices offer a subscription to Atlas. This screen allows you to view the details of your current subscription, apply unlock codes, and view the subscriptions that are available for activation.

Tap View Available Features to apply upgrades to the Geode. For more information, see 5.5.4 Upgrade Geode on page 53.

Configure NTRIP

This page is where you enter the information supplied by your NTRIP service provider, including the caster IP address, port, username, and password.
Note: NTRIP settings are stored in the Geode Connect app, not in the Geode receiver.
As stated in 2.3.2 NTRIP and RTK on page 9, NTRIP is a useful protocol for precise correction of realtime positioning solutions.
The Geode is able to calculate an RTK Fix/Float position with sub-meter to centimeter-level accuracy. NTRIP services do require an internet or cell data connection (via your mobile device) and usually involve either a free or paid subscription to the service.
If you have a subscription to an NTRIP service, Geode Connect will allow you to configure the Geode to use that service.
Note: Changes must be saved in order for them to remain from screen to screen. To save changes, tap Save in the upper right corner before you leave this screen.
To establish an NTRIP connection:

Make sure that the iPhone or iPad you are using to host Geode Connect has a data connection.
Enter the identifying information supplied by your NTRIP service provider.
Verify “Send GGA to Caster” is checked. This tells the Geode to send its position to the caster so that the caster can locate the mount points closest to the Geode’s position.
Tap Save.
Tap Download Mount Points.
Tap on the drop-down menu in the Mount Points section.
This will open a list of mount points in the network close to the Geode’s position.
Choose the appropriate mount point.
Tap Save.
Tap Start NTRIP.
When NTRIP is connected and working, the word NTRIP and a closed green plug will appear on the right side of the Home page. You can tap on this icon to return to the NTRIP configuration screen at any time. If NTRIP appears on the home page with an open orange plug, the Geode is still trying to establish a connection to the NTRIP service. The connection might take a while. If the Geode has trouble connecting, try selecting a different mount point. To turn off NTRIP, tap the NTRIP icon in the upper right corner to go to the NTRIP Configuration screen. Select Stop NTRIP.

5.5.4 Upgrade Geode
On the Upgrade Geode screen you can request a quote for upgrades, activate your upgrades, or extend a subscription.

You can apply upgrades via activations or subscriptions.
■ Activations include a one-time upgrade to apply a new feature to the product. The available activations include increased output rates, multi- frequency, and Atlas basic L-band corrections.
■ Subscriptions include time-based purchases of an H10 or H30 Atlas L-band correction service.

This screen can also be accessed from under Receiver Configurations > Manage Subscriptions. See Manage Subscriptions on page 50 for more information.

Request a Quote
To request an activation or subscription quote,

Select the check box next to one or more activation or subscription.
Select Next.
Note: If you have a singlefrequency Geode, the only activations available are 10 Hz and 20 Hz.
Enter your contact information.
Tap Next.
On the Quote Summary screen, verify your information is correct and then select Send Now.

An email requesting your quote will be sent to Juniper Systems and a representative will contact you.
When the request email is sent, you will receive a Quote Reference Code. This code can be used to reference your request if you encounter any problems and need to contact Juniper Systems.

Activate Upgrade
If you have already purchased an activation or subscription you will need to activate it in Geode Connect.

Verify your device is connected to the GNS3 and the internet.
In the activations list, tap the yellow activate option next to the upgrade you would like to activate.

Extend a Subscription
To extend your current subscription,

Select the check box next to your subscription.
It will be marked with a yellow “Extend.”
Select Next.
Request a quote for the subscription by following the process listed in the Request a Quote section above.

If you purchased the subscription previously, you can activate the subscription for your GNS3 on this screen as well.

5.5.5 Request Help and Send Feedback
This feature links directly with the email account configured to the iPhone or iPad and opens an email addressed to Juniper Systems Support. The email includes detailed configuration commands from the Geode. This allows Juniper Systems Support to diagnose and solve the problem more efficiently. This info is also used when purchasing a feature upgrade for the Geode.
You can enter additional information into the email to provide a further explanation about your issue.

5.5.6 About
The About page shows the Geode Connect version currently in use.

Set Up Geode Connect for Android

As a configuration and communication utility for the Geode GNS3 GPS Receiver, Geode Connect provides you with the ability to establish communications with the Geode; change receiver settings; and view position, altitude, estimated horizontal error, differential status/fix information, speed, heading, satellites in fix, correction signal, and PDOP.
This chapter gives an overview of the features included in Geode Connect for Android. It gives details about specific settings that can optimize the Geode’s precision, accuracy, and reliability, depending on the situation and environment. It also gives specific instructions about the nuances of using the Geode with the Android operating system and thirdparty apps.

6.1 Download and Install
Geode Connect is available for download on Google Play and the Juniper Systems website.
6.1.1 Google Play
Search for Geode Connect on Google Play. Install according to device instructions.
6.1.2 Juniper Systems Website
If your device cannot access Google Play, the app is also available on the Juniper Systems website.

Go to www.junipersys.com/support/geode/downloads.
Select Geode Connect for Android.
Download the APK file and follow the instructions on your device to install the app.

6.2 Connect with the Geode
Android devices can use Bluetooth to pair with the Geode directly in Geode Connect:

Power on the Geode.
Make sure Bluetooth wireless is enabled on your Android device.
For devices using Android 12 and below, make sure that Location is enabled.
Open Geode Connect.
Tap the Geode icon with a slash through it in the top left corner. Tapping this icon will allow you to connect, disconnect, or change your device. If the Android device was paired to the Geode previously, it will connect automatically. The app will display a list of local Bluetooth wireless devices.
Identify your Geode via the serial number printed on its bottom panel.
Tap on the name of the Geode you wish to pair with.
Note: If your Geode doesn’t show up in the list of devices, check to make sure it is turned on and not paired with another device. Then tap the refresh icon at the bottom of the list of devices .
Follow the prompts to finish pairing the Geode with your device.

Learn Geode Connect for Android

7.1 Home Page

The Home page for Geode Connect serves as a dashboard for the Geode receiver. On this page, you can view connection status, correction mode, and position data. It displays latitude, longitude, altitude, estimated horizontal error, fix info (GPS, DGPS, RTK, etc.), speed, heading, number of satellites in fix, PDOP, correction type, and correction signal. You can drag and drop each box to reorganize the screen to your preference.

From the toolbar at the bottom of the screen, you can access the Skyplot, Location, Terminal, and Settings pages. Tapping on the orange Geode icon in the top left corner will allow you to disconnect or change your receiver.

Next to the icon you will see the battery charge indicator, the name of the Geode you are connected to, and the active correction type (SBAS, NTRIP, or Atlas). The satellite icon in the top right corner will tell you which correction service you are using and it will turn green when you are connected. If the RD1 message is enabled, the satellite icon color will change relative to the signal quality. For more information see, 2.3.3 Atlas Correction Service on page 10.
The vertical menu in the upper right corner provides a drop-down menu with the options found on the Settings page: Preferences, Connect Device, Receiver Configuration, Upgrade Geode, Help/Feedback, and About. For more information about these options, see 7.5 Settings Page on page 75.

7. 2 Skyplot Page

The Skyplot page is meant to be used as a guide. It shows the relative visibility of satellites in the sky, but it is not an absolute reference for satellites used in the positioning solution.
Multi-GNSS Geode models support the Galileo, BeiDou, GPS, QZSS, SBAS, and GLONASS constellations.
If the Skyplot page is not displaying data:

Go to the Settings page by tapping the gear icon in the navigation bar.
Under Active GNSS Constellations, select Multi-GNSS.
Under NMEA Sentences, select GSV.
Tap the save icon .

7. 3 Location Page

The Location page includes the waypoint capture screen, which allows you to demonstrate point capture and share captured data as CSV, KML, or KMZ files. This feature allows you to validate the accuracy of the Geode without requiring the use of a third-party app.

7. 3.1 Capture Waypoints
Note: Geode Connect for Android only records waypoints if the following NMEA sentences are activated: GSA, RRE, and GGA. See NMEA Sentences on page 83 for instructions on how to enable NMEA sentences.

With the Geode in the position you would like to capture, tap the plus icon .
Type a description or name for the waypoint (optional).
Tap OK.

7. 3. 2 Delete Waypoints

In the upper right corner, tap Select Multiple.
Select the waypoint(s) you want to delete.
Tap the trash icon .
Tap Delete.

7.3.3 Share Waypoints

In the upper right corner, tap Select Multiple.
Select the Waypoint(s) you want to share.
Tap the share icon .
Name the waypoint file.
Choose the file type: CSV, KML, or KMZ.
Tap OK. Geode Connect will package the waypoints in the file type chosen and prompt you to use your device to share the file.
Choose the app you would like to use to share the file.
Follow the instructions on your device to finish the file share.

7.4 Terminal Page The Terminal page displays the NMEA sentences the Geode is receiving. It provides the options to show timestamps (top center), pause the stream (top right), or capture and save the data (bottom right). This screen also gives you flexibility to configure the Geode and customize data output.
Tap the plus icon to reveal the following options:

■ To capture data received by the Geode, tap the play icon Tap it again to stop logging data.
■ To view saved data logging files, tap the folder icon .
Tap the three vertical dots to the left of a log file to delete or share it.
■ To send a command to the Geode, tap the command icon . The dialog box will offer Show/Hide Log as the default command.
For a comprehensive list of commands and messages that can be used to configure the Geode, please refer to technical documentation provided by Hemisphere GNSS.

Go to https://hemispheregnss.com/ > Resources & Support > Technical Documentation.
Select the Technical Reference Manual (it may include
a version number).

CAUTION: Use at your own risk. It is possible to cause communication or other errors in the Geode that may require technical assistance to repair.
7. 5 Settings Page
. The Settings page provides options for the configuration of the Geode receiver and Geode Connect settings. These options are listed below:
■ Preferences on page 76
□ Enable Mock Locations on page 77
■ Connect Device on page 81
■ Receiver Configuration on page 81
□ Active GNSS Constellations on page 83
□ NMEA Sentences on page 83
□ Update Rate on page 85
□ Advanced on page 85
▶ NMEA Precision on page 86
▶ Mask Angle on page 86
▶ Correction Source on page 87
▶ SBAS on page 88
▶ Receiver Mode on page 89
▶ Battery Status Sentence on page 91
▶ Receiver Reset on page 92
□ Manage Subscriptions on page 93
□ NTRIP Configuration on page 94
■ Upgrade Geode on page 96
■ Request Help and Send Feedback on page 101
■ About on page 102
7. 5.1 Preferences
The Preferences page allows you to customize your preferences for how information is displayed in Geode Connect. Under Preferences, you can change the application units, position format, specify whether or not the app will show the hemisphere, or enable mock locations.
Note: Changes must be saved in order for them to remain from screen to screen. If the save icon in the lower right corner of the screen is orange, this means there has been a change that needs to be saved. Tap the save icon to save changes .
Enable Mock Locations
When using the Geode with Android devices, some third-party mapping and data- collection apps connect directly with the Geode through the Bluetooth wireless port. Some apps depend on the Android operating system to provide positioning data.
If you are using the Geode, it is because your project demands precision GNSS. However, if your app is depending on the operating system of your device, it may be collecting data via the consumer-grade receiver in your phone or tablet—not the Geode.
The best way to figure out where your app is getting its positioning data is to take a moment to examine the app.
If the app allows you to directly choose an external receiver, you can select the Geode and trust the app will rely on the Geode. If the app provides no option for choosing an external receiver, it is most likely relying on the Android operating system for its data. You will need to activate Geode Connect as a mock location provider in order for the app to collect data via the Geode. To do this, you will need to enable developer options in the Android OS, configure Geode Connect as a mock location provider, and test the mock location provider.
Enable Developer Options in the Android OS
Changing the mock location provider is a developer option.
All developer options in Android are disabled and hidden by default. The first thing you have to do is tell Android that you are a developer:

From the Android home page, go to Settings > About phone (or About Tablet).
Tap Build Number seven (yes, seven) times. This will unlock the Developer options.

Note: Build Number may not look like you can tap on it.
Tap on it anyway. After three taps, Android will prompt you to continue becoming a developer.
Once you are a developer, close the Android settings and open Geode Connect.
Configure Geode Connect as a Mock Location Provider In order for the data received by the Geode to replace the data being received by the device’s GPS receiver, you will need to set up Geode Connect as a mock location provider:

In Geode Connect, go to Menu > Preferences.
Select the box for Enable Mock Location Provider.
Geode Connect will prompt you to open Developer Options.
Tap OK. can set the mock location provider.
Tap Select mock location app. (In older versions of Android, the option will be Allow mock locations, and it will not ask you for a specific app.)
Tap Geode Connect in the list of possible apps.
Tap the Android back button to return to Geode Connect.

Test Mock Location Provider
After configuring Geode Connect as your mock location provider, test to make sure your app is now getting its data from the Geode.
Both of the following tests require that the Geode is on and has had time to build its initial almanac, usually 25 minutes after it has been turned on for the first time outside.
One-Person Test:

Connect the Geode to your Android device via Bluetooth wireless technology in Geode Connect.
Verify that Geode Connect has been set as the mock location provider.
Leave Geode Connect open.
Place the Geode in one stationary position. Do not move it.
Open your mapping or data-collection app.
Holding your phone or tablet, walk five to ten paces out and then walk in a circle around the Geode.

If the position in the data-collection app does not change significantly (remember, the Geode is just sitting there), the app is drawing its data from the Geode. You can continue to use the app and the Geode without any worries.
If the position moves in a circle, the app is drawing its data from your Android device’s internal GPS receiver. Return to page 77 and make sure all mock location provider settings have been properly configured.
Two-Person Test:
One person holds the Geode, and the other person holds the Android device.

Connect the Geode to your Android device via Bluetooth wireless technology in Geode Connect.
Verify that Geode Connect has been set as the mock location provider.
Leave Geode Connect open.
Open your mapping or data-collection app.
The person holding the Android device remains stationary.
The person holding the Geode walks five to ten paces out and then walks in a circle around the person holding the Android device.

If the position moves in a circle, the app is drawing its data from the Geode and the mock location provider is functioning as it should.
If the position does not change, the app is drawing its data from your Android device’s internal GPS receiver. Return to page 78 and make sure all mock location provider settings have been properly configured.
7. 5. 2 Connect Device
The Connect Device page allows you to connect your Android device to the Geode.
For more information, see 6.2 Connect with the Geode on page 61. 7. 5. 3 Receiver Configuration
Note: The following pages and options are only available if you are actively connected to a Geode receiver. Changes saved on these screens are changes made to the Geode receiver, not Geode Connect. This means that these changes crossover and are effective in other navigational and data-collecting apps. the Geode according to the specific needs of your project or application.
Tap Help to reveal detailed descriptions of the options available with the specific settings. Port Connection
The Geode remembers its settings per connection type. You can use the Port Connection option to configure these settings for each connection type, without physically switching the connection for the Geode.

Tap Port Connection to access the menu with the port options.
Select the port you would like to configure.
Change the settings as desired and tap Save.

These changes will then be set for each time you connect using that specific port.
This affords you a certain amount of flexibility in the field. If you have multiple uses for the Geode and would prefer not to reconfigure it each time you switch tasks, the Geode can be configured per connection type for specific tasks.
For example, here are three different possible use cases for the same Geode.
■ Use Case 1: Mounted on a pole for data collection on foot in heavy tree canopy.
□ Bluetooth wireless connection settings optimized for slow travel and GNSS (more potential satellites in view through the trees).
■ Use Case 2: Mounted in the cab of a truck for carefully locating previously marked research sites.
□ USB connection settings optimized for slower travel and NTRIP correction.
■ Use Case 3: Mounted on a fast moving four wheeler on rolling hills with open sky.
□ RS-232C connection settings optimized for speed and unobstructed open sky.
Active GNSS Constellations
You can choose which GNSS constellations to use in your solution: GPS and/or Multi-GNSS.
You can choose which NMEA sentences you want the Geode to receive. In most instances, the default NMEA sentences will be sufficient for your project or application.
Note: Changes must be saved in order for them to remain from screen to screen. If the save icon in the lower right corner of the screen is orange, this means there has been a change that needs to be saved. Tap the save icon to save changes .
The following list explains the available NMEA sentences:
■ RD1: Correction diagnostic message output
■ DTM: Datum reference
■ GBS: Satellite fault detection used for RAIM
■ GGA: Detailed GPS position information
■ GLL: Latitude and longitude data
■ GNS: Fix data for a single or combined satellite navigation system
■ GRS: GNSS range residuals
■ GSA: GPS DOP and active satellite information
■ GST: GNSS pseudorange error statistics
■ GSV: GNSS satellites in view
■ RMC: Recommended minimum specific GNSS data
■ RRE: Range residual message
■ VTG: Course over ground and ground speed
■ ZDA: UTC time and date information
Update Rate
The update rate sets the message output rate through the active port.
To upgrade the update rate, see 7.5.4 Upgrade Geode on page 96.
Advanced
The Advanced screen allows you to configure the following advanced settings for the Geode.
■ NMEA Precision
■ Mask Angle
■ Correction Source
■ SBAS
■ Receiver Mode
■ Battery Status Sentence
■ Receiver Reset
Note: Changes saved on this screen are changes made to the Geode receiver, not Geode Connect. This means that these changes crossover and are effective in other navigational and data-collecting apps. Specify the number of decimal places to output in the GGA, GLL, and GNS messages. Specifies the elevation mask angle cutoff for the receiver. Any satellites below this angle will be ignored, even if available. This specifies whether the Geode should automatically choose its correction source or accept only SBAS, NTRIP, or Atlas corrections. When the correction source is set to Auto, the Geode is programed to choose a source according to accuracy level in the order of Atlas, SBAS, then NTRIP.
If it fails to reconnect (usually after about two minutes), it will default to the next available correction.
Note: If this happens in the middle of collecting data, it may create significant error between positions because different correction sources use different reference datum.
Manually selecting a single correction source overrides the Geode’s default settings. If NTRIP is selected, the Geode will use NTRIP, but if it loses the NTRIP signal, it will default to an autonomous (uncorrected) solution.
If the Geode is accepting SBAS corrections, and it loses its signal, it will always default to an autonomous solution.
If Atlas is selected, the Geode will use Atlas correction, and if it loses the signal it will default to an autonomous solution.
When the Geode is configured to use an NTRIP service, Geode Connect does not automatically select NTRIP as the only correction source. When using NTRIP, the best practice is to manually select NTRIP as the only correction source. This specifies which SBAS satellites the Geode should use for GPS correction.
Usually, selecting Auto is sufficient, since the various SBAS services cover different geographical areas. However, there are some areas where these services overlap (see map below).
For example, if you are collecting corrected GPS positions in the Northeastern United States, the Geode may be receiving SBAS corrections from WAAS or EGNOS.
If the receiver is set to Auto, it may even jump back and forth between the two. The two services use different reference datum models. Switching between them can cause significant error between different points of data.
In areas of overlap, the best practice is to select a specific SBAS service the Geode should accept corrections data from. ■ Auto: Sets the appropriate SBAS PRNs based on the autonomous GPS position.
■ EGNOS: European Geostationary Navigation Overlay Service (Europe SBAS) PRN 120, 124, 126
■ GAGAN: GPS Aided GEO Augmented Navigation (India SBAS) PRN 127
■ MSAS: MTSAT Satellite Augmentation System (Japan SBAS) PRN 129, 137
■ SDCM: System for Differential Correction and Monitoring (Russia SBAS) PRN 125, 141, 140
■ SouthPAN: Southern Positioning Augmentation Network (Australia and New Zealand SBAS) PRN 122
■ WAAS: Wide Area Augmentation System (North America SBAS) PRN 133, 135, 138
■ None: SBAS corrections disabled. These options affect how the Geode processes positioning information and outputs certain types of data.
■ GPS Only: Enabling this option tells the receiver to only accept signals from GPS satellites. It stops receiving all GNSS signals as long as this box is checked. This may be a useful option in open areas with little interference, particularly if the user is trying to preserve battery life.
■ Mixed: Enabling this option (default) tells the receiver to use all GNSS satellite signals available to calculate the position solution. This includes non-GPS satellites, which do not have DGPS or SBAS corrections. Certain NTRIP services do provide corrections for non-GPS satellites. For most applications, Mixed is the best choice, particularly if there is a lot of interference.
■ NULL NMEA: This option is available because different navigational apps interpret NULL messages differently. As a default, when the Geode loses its position (cannot get a fix), it sends out a NULL NMEA message. Some apps interpret this NULL message to mean that the Geode’s position is (0°, 0°), which is west of Africa in the Atlantic Ocean. If the app you are using starts showing your position as (0°, 0°), deselecting this option will most likely correct the problem.
■ SBAS Ranging: When this option is enabled, it tells the receiver to treat SBAS satellites as GPS satellites. Doing so has the potential to speed up the initial position fix.
However, SBAS satellites operate in a time system distinct from that of the GPS satellites, so a position solution that includes SBAS satellites may be less accurate than a GPSonly or GNSS-only solution. The recommendation is to enable this option to speed up the initial position fix and to disable it for improved accuracy.
■ SureTrack: You will only see this legacy feature that applies to GNS 1 and 2 if you are using an older version of Geode Connect.
■ Tunnel: This option enables faster reacquisition after coming out of a tunnel. Use it as needed.
Note: Changes must be saved in order for them to remain
from screen to screen. If the save icon in the lower right corner of the screen is orange, this means there has been a change that needs to be saved. Tap the save icon to save changes . This gives the option to choose how frequently the Geode sends a battery status message.
The message is used by Geode Connect and other applications to display the battery capacity status.
The default setting is 10 seconds.
The message is sent out from the Geode as a custom message along with the NMEA strings. The message is visible in the terminal page, as are all other NMEA messages and commands.
In Geode Connect, the battery status sentence looks like this: This sentence may not be recognized by some navigation or data-collection apps. If it causes problems in an app, disable it. Reset Options allows you to select and perform a soft reset or a receiver reset. A soft reset reconfigures the Geode to all its default settings. A receiver reset does the same, but it also clears all ephemeris, almanac, and clock data. The Geode will redownload the data the next time it connects with a positioning satellite. This may increase the time to first fix up to 4–6 minutes the first time you turn the Geode on outside after a receiver reset.
The two Almanac messages from GPS satellites alternately repeat every 12.5 minutes. After a receiver reset, the best practice is to turn on the Geode and wait 25 minutes to ensure a complete Almanac has been stored.
CAUTION: Resetting the receiver cannot be undone.
Manage Subscriptions
GNS3M devices offer subscriptions for Atlas.
This screen allows you to view the details of your current subscription, apply unlock codes, and view the subscriptions that are available for activation.
Tap View Available Features to apply upgrades to the Geode. For more information about activating upgrades, see 7.5.4 Upgrade Geode on page 96. NTRIP Configuration On the NTRIP
Configuration screen you can set up NTRIP with your Geode. Enter the information supplied by your NTRIP service provider, including the caster IP address, port, username, and password.
Note: NTRIP settings are stored in the Geode Connect app, not in the Geode receiver.
As stated in 2.3.2 NTRIP and RTK on page 9, NTRIP is a useful protocol for precise correction of real-time positioning solutions. The Geode is able to calculate an RTK Fix/Float position. NTRIP services do require an internet or cell data connection (via your mobile device) and usually involve either a free or paid subscription to the service.
If you have a subscription to an NTRIP service, Geode Connect will allow you to configure the Geode to use that service.
Note: Changes must be saved in order for them to remain from screen to screen. If the save icon in the lower right corner of the screen is orange, this means there has been a change that needs to be saved. Tap the save icon to save changes . To establish an NTRIP connection:

Ensure the handheld device you are using to host Geode Connect has a data connection.
Enter the identifying information supplied by your NTRIP service provider.
Verify “Send GGA to Caster” is checked. This tells the Geode to send its position to the caster so that the caster can locate the mount points closest to the Geode’s position.
Tap Save to enable the Download Mount Points option.
Tap Download Mount Points.
Tap the line underneath the Download Mount Points button.
This will open a list of mount points in the network close to the Geode’s position.
Choose the appropriate mount point.
Tap the save icon in the bottom right corner to save the changes .
Tap Start NTRIP.

When NTRIP is connected and working, the word NTRIP and a closed green plug will appear in the top right corner of the Home page. Tap the icon to return to the NTRIP Configuration screen at any time. If NTRIP appears on the home page next to an open orange plug, the Geode is still trying to establish a connection to the NTRIP service. The connection might take a while. If the Geode has trouble connecting, try selecting a different mount point. To turn off NTRIP, tap the NTRIP icon to go to the NTRIP Configuration page. Select Stop NTRIP.
7. 5.4 Upgrade Geode
On the Upgrade Geode screen you can request a quote for upgrades, activate your upgrades, or extend a subscription. You can apply upgrades via activations or subscriptions.
■ Activations include a one-time upgrade to apply a new feature to the product. The available activations include increased output rates, multi- frequency, and Atlas basic L-band corrections.
■ Subscriptions include time-based purchases of an H10 or H30 Atlas L-band correction service.
This screen can also be accessed from under Receiver Configurations > Manage Subscriptions. See Manage Subscriptions on page 93 for more information.
Request a Quote
To request an activation or subscription quote,

Select the check box next to one or more activation or subscription.
Select Next.
Note: If you have a single- frequency Geode, the only activations available are 10 Hz and 20 Hz.
Enter your contact information.
Tap Next.
On the Quote Summary screen, verify your information is correct and then select Send Now.

Verify your device is connected to the GNS3 and the internet.
In the activations list, tap the yellow activate option next to the upgrade you would like to activate.

Extend a Subscription
To extend your current subscription,

Select the check box next to your subscription.
It will be marked with a yellow “Extend.”
Select Next.
Request a quote for the subscription by following the process listed in the Request a Quote section above.

If you purchased the subscription previously, you can activate the subscription for your GNS3 on this screen as well.
7.5.5 Request Help and Send Feedback
On the Settings page, tap Help/Feedback. This feature links directly with the email account configured to the device and opens an email addressed to Juniper Systems Support. The email includes detailed configuration commands from the Geode. This allows Juniper Systems Support to diagnose and solve the problem more efficiently.
This info is also used when purchasing a feature upgrade for the Geode.
You can enter additional information into the email to provide further explanation about your issue. 7. 5.6 About
The About page shows the Geode Connect version currently in use.

Set Up Geode Connect for Windows PC

As a configuration and communication utility for the Geode GNS3 GPS Receiver, Geode Connect provides you with the ability to establish communications with the Geode; change receiver settings; and view position, altitude, estimated horizontal error, differential status/fix information, speed, heading, satellites in fix, correction signal, and PDOP.
This chapter gives an overview of the features included in Geode Connect for Windows PC. It gives details about specific settings that can optimize the Geode’s precision, accuracy, and reliability, depending on the situation and environment. It also gives specific instructions about the nuances of using the Geode with the Windows operating system and third-party apps.
8.1 Download and Install
Geode Connect is available for download on the Juniper Systems web page.

Go to www.junipersys.com/support/geode/downloads
Select Geode Connect for Microsoft Windows PC.
Download the .exe file and follow the instructions on your device to install the app.

8.2 Connect with the Geode
The Geode connects with Windows PC devices via Bluetooth wireless technology, USB, and RS-232C cable.
Pair via Bluetooth

Power on the Geode.
Make sure Bluetooth wireless technology is enabled on your Windows device.
Pair the Geode to your Windows device.
Open Geode Connect.
If the device has connected to a Geode previously, tap the Geode name at the top of the screen. The app will ask you what you would like to do.
Note: If the device has not previously connected to a Geode, the app will immediately open the Device Setup page when you open it.
Tap Change Device. This opens the Device Setup page.
The app will display a list of local wireless devices. Identify your Geode via the serial number printed on its bottom panel. Select the name of the Geode you want to pair with. Note: If your Geode doesn’t show up in the list of devices, check to make sure it is turned on and not paired with another device. Then tap the refresh icon at the bottom of the list of devices .
Follow the prompts to finish pairing the Geode with your device .
If prompted by your device, enter the Pair code: 0000.
The Geode should now be connected to your Windows device.

Troubleshooting a Windows PC Bluetooth Connection Sometimes when a Geode has been paired with a Windows PC device and then is paired with several other devices, the Geode may have trouble re-pairing with the original Windows PC device.
If this happens, Geode Connect will display the following prompt:

Select Retry.
This may fix the connection. If not, Geode Connect will display the following:
Select Repair.

Geode Connect will attempt to repair the connection.
If Geode Connect is unable to repair the connection, you may need to turn the Geode off and on again and/or go to Windows Settings and select Forget Device for the Geode you are trying to pair. After doing so, return to Geode Connect and begin the pair sequence for a Bluetooth connection again.
Connect via USB
The Geode can connect with a Windows PC or handheld tablet—such as the Juniper Systems Mesa 3 Windows—using the supplied USB cable.

Ensure your Windows PC or tablet is in Desktop mode, not Tablet mode.
Power on the Geode before you plug it into your device.
Plug the USB cable into your device and the Geode.
Note: This may cause the red LED Status Indicator to flash rapidly on the Geode because there is not enough power in the PC or handheld device to charge the Geode. This does not affect the data transfer between the Geode and the device.
Open Geode Connect.
If the device has connected to a Geode previously, tap the Geode name at the top of the screen. The app will ask you what you would like to do.
Note: If the device has not previously connected to a Geode, the app will immediately open the Device Setup page when you open the app.
Tap Change Device. This opens the Device Setup page.
The app will display a list of local wireless and connected devices. It may list the same Geode twice, once as a
Bluetooth wireless device and once as a physically connected device. The Geode connected via USB will have a plug icon next to it. Select this Geode.

Note: If your Geode doesn’t show up in the list of devices, check to make sure it is turned on and not paired with another device. Then tap the refresh icon at the bottom of the list of devices .
For subsequent connections, the Geode may connect to the same device using a different COM port. This is normal.
Connect via Serial Port
The Geode has a 9-pin RS-232C serial port. This allows the Geode to be mounted to a piece of equipment while maintaining a constant connection for data and power. Use a straight-through 9-pin cable to communicate with the Geode. For a list of functions for each pin, refer to Appendix A: Serial Port Configuration, on page 148.
To communicate between a PC and a Geode over a straight-through serial cable:

Open Geode Connect.
If the device has connected to a Geode previously, tap the Geode name at the top of the screen. The app will ask you what you would like to do.
Note: If the device has not previously connected to a Geode, the app will immediately open the Device Setup page when you open the app.
Tap Change Device. This opens the Device Setup page.
The app will display a list of local wireless and connected devices. It may list the same Geode twice, once as a Bluetooth wireless device and once as a physically connected device. The Geode connected via serial cable will have a plug icon next to it. Select this Geode.

Note: The name displayed for a serial connection in this list will not include the serial number of your Geode.
Note: If your Geode doesn’t show up in the list of devices, check to make sure it is turned on and connected to your device. Then tap the refresh icon at the bottom of the list of devices .
The Geode will then connect to the host device.

Learn Geode Connect for Windows PC

Geode Connect is a utility app that allows you to customize and fine-tune the Geode to your specific project or application. Each page in Geode Connect serves one of three primary functions: configuration of the Geode, validation of Geode accuracy, or changing Geode Connect settings. Though it does have some limited data-capture features, these are included only for demonstration purposes. Geode Connect is not intended to replace your data-collection app. 9.1 Home Page The Home page for Geode Connect serves as a dashboard for the Geode receiver. On this page, you can view connection status, correction mode, and positioning data.
It displays latitude, longitude, altitude, estimated horizontal error, fix info (GPS, DGPS, RTK, etc.), speed, heading, number of satellites in fix, PDOP, and correction signal. You can drag and drop each box to reorganize the screen to your preference. From the toolbar on the bottom of the page, you can access the Skyplot, Map, and Terminal pages. Tap on the receiver name at the top to change receivers. Tap on the Settings menu in the upper left corner to configure the currently connected receiver.
9.2 Skyplot Page The Skyplot page shows which satellites are being used in the positioning solution and where they are in the sky. It also shows satellites that are being tracked by the Geode.
On the Skyplot page, each satellite is identified by a space vehicle number (SVN) and color for its constellation. The location of each satellite on the skyplot indicates where it resides in the sky overhead relative to true north. The outside ring is 0° elevation (horizon). The inside ring is 45° elevation—halfway above the horizon from the Geode’s present location. The intersection of the two lines indicates directly overhead. Satellite symbols outlined in red indicate that the satellites are being tracked, but they are not yet a part of the positioning solution. Satellite symbols outlined in blue indicate that a correction is being applied to the signal.
The Skyplot page is meant to be used as a guide. It shows the relative visibility of satellites in the sky, but it is not an absolute reference for satellites used in the positioning solution.
Multi-GNSS Geode models support the Galileo, BeiDou, GPS, QZSS, SBAS, and GLONASS constellations.
If the Skyplot page is not displaying data:

Go to the Configure Geode page by tapping the menu icon in the navigation bar.
Tap Receiver Configuration.
Under Active GNSS Constellations, select Multi-GNSS.
Under NMEA Sentences, select GSV.
Tap the save icon .

9.3 Map Page

The Map page allows you to see their position in relation to public roads and other landmarks.
On the Map page, you can capture, compare, and navigate to waypoints. 9.3.1 Capture, View, and Compare Waypoints
To capture waypoints, place the Geode in the position you would like to capture, and tap the waypoint icon .
View waypoint information by selecting a specific waypoint on the map. Geode Connect will show you the waypoint’s distance and bearing compared to your current position. It will also display the latitude, longitude, and altitude of the waypoint.
To delete the waypoint, tap Remove.
To compare the waypoint to another waypoint,

Tap From here to. . .
Select the waypoint you want to compare your current position to.

The blue shaded area represents the cross track error between where you are now and what you need to do to get back on the direct path between the two waypoints.
9.4 Terminal Page The Terminal page displays the NMEA sentences the Geode is receiving. You can include timestamps (top left), pause (middle), capture the information (top right), or view the captured data files (top right). At the bottom of the Terminal page, there is a command line. This gives you flexibility to configure the Geode and customize the data output.
Tapping the down arrow next to the command line will reveal the Show Log and Hide Log commands.
For a comprehensive list of commands and messages that can be used to configure the Geode, please refer to technical documentation provided by Hemisphere GNSS.

Go to https://hemispheregnss.com/ > Resources & Support > Technical Documentation.
Select the Technical Reference Manual (it may include
a version number).
CAUTION: Use at your own risk. It is possible to cause communication or other errors in the Geode that may require technical assistance to repair.

9.4.1 Capture, Save, or Share NMEA Sentences
To record the NMEA sentences, tap Capture. Geode Connect will begin to record your data. To stop recording, tap the timer that replaced the Capture button. The string of NMEA sentences will be saved.
Tap Files to view the saved recordings. From this screen you can organize, share, or delete the NMEA recordings.
9.5 Settings Menu
The Settings menu provides options for the configuration of the Geode receiver and Geode Connect settings. These options are listed below:
■ Preferences on page 121
■ Connect Device on page 122
■ Receiver Configuration on page 122
□ Port Connection on page 123
□ Active GNSS Constellations on page 125
□ NMEA Sentences on page 126
□ Update Rate on page 127
□ Advanced on page 127
▶ NMEA Precision on page 128
▶ Mask Angle on page 128
▶ Correction Source on page 129
▶ SBAS on page 130
▶ Receiver Mode on page 131
▶ Battery Status Sentence on page 133
▶ Receiver Reset on page 134
□ Manage Subscriptions on page 135
□ Configure NTRIP on page 135
■ Upgrade Geode on page 138
■ OS Location on page 142
■ Configure Virtual Port Settings on page 145
■ Request Help and Send Feedback on page 146
■ About on page 147
9.5.1 Preferences The Preferences page allows you to customize your preferences for how information is displayed in Geode Connect.
You can specify application units (feet or metric), position format, and whether or not the app will show the hemisphere. Note: Changes must be saved in order for them to remain from screen to screen. If the save icon in the lower right corner of the screen is orange, this means there has been a change that needs to be saved. Tap the save icon to save changes .
9.5.2 Connect Device The Connect Device screen allows you to connect your Windows device to the Geode.
For more information, see
8.2 Connect with the Geode on page 104.
9.5.3 Receiver Configuration This page allows you to configure the Geode according to the specific needs of your project or application.
Note: The following screens and options are only available if you are actively connected to a Geode receiver. Changes saved on these screens are changes made to the Geode receiver, not Geode Connect. This means that these changes crossover and are effective in other navigational and datacollecting apps.
You can also reach this page by tapping the orange gear in the bottom right corner of the home screen .
This page allows you to configure the Geode according to the specific needs of your project or application.
Most of the settings in Geode Connect include a Description toggle below the options available. Tapping on Description will reveal detailed descriptions of the options available for that specific feature. Port Connection
The Geode remembers its settings per connection type.
You can use the Port Connection option to configure these settings for each connection type, without physically switching the connection for the Geode.

Tap the three lines in the top left corner to open the menu.
Select Receiver Configuration.

On the configuration page, you can use the drop-down menu in the bottom right corner to configure ports you are not physically connected to. Select the port to configure and then save the changes. These configurations will then be set for when you physically connect with that specific port. This affords you a certain amount of flexibility in the field. If you have multiple uses for the Geode and would prefer not to reconfigure it each time you switch tasks, the Geode can be configured per connection type for each specific task.
For example, here are three different possible use cases for the same Geode:
■ Use Case 1: Mounted on a pole for data collection on foot in heavy tree canopy.
□ Bluetooth wireless connection settings optimized for slow travel and GNSS (more potential satellites in view through the trees)
■ Use Case 2: Mounted in the cab of a truck for carefully locating previously marked research sites.
□ USB connection settings optimized for slower travel and NTRIP correction
■ Use Case 3: Mounted on a fast moving four wheeler on rolling hills with open sky.
□ RS-232C connection settings optimized for speed and unobstructed open sky
Active GNSS Constellations
You can choose which GNSS constellations to use in your solution, GPS and Multi-GNSS.
NMEA Sentences
You can choose which NMEA sentences you want the Geode to receive. In most instances, the default NMEA sentences will be sufficient for your project or application.
The following list explains the available NMEA sentences:
■ RD1: Correction diagnostic message output
■ DTM: Datum reference
■ GBS: Satellite fault detection used for RAIM
■ GGA: Detailed GPS position information
■ GLL: Latitude and longitude data
■ GNS: Fix data for a single or combined satellite navigation system
■ GRS: GNSS range residuals
■ GSA: GPS DOP and active satellite information
■ GST: GNSS pseudorange error statistics
■ GSV: GNSS satellites in view
■ RMC: Recommended minimum specific GNSS data
■ RRE: Range residual message
■ VTG: Course over ground and ground speed
■ ZDA: UTC time and date information
Update Rate
The update rate sets the message output rate through the active port.
Note: Changes must be saved in order for them to remain from screen to screen. If the save icon in the lower right corner of the screen is orange, this means there has been a change that needs to be saved. Tap the save icon to save your changes .
To upgrade the update rate, see 9.5.4 Upgrade Geode on page 138.
Advanced
The Advanced screen allows you to configure the following advanced settings for the Geode.
■ NMEA Precision
■ Mask Angle
■ Correction Source
■ SBAS
■ Receiver Mode
■ Battery Status Sentence
■ Receiver Reset Specify the number of decimal places to output in the GGA, GLL, and GNS messages. Specifies the elevation mask angle cutoff for the receiver. Any satellites below this angle will be ignored, even if available.
This specifies whether the Geode should automatically choose its correction source or accept only SBAS, NTRIP, or Atlas corrections. When the correction source is set to Auto, the Geode is programmed to choose a source according to accuracy level in the order
of Atlas, SBAS, then NTRIP.
If it fails to reconnect (usually after about two minutes), it will default to an SBAS corrected solution.
Note: If this happens in the middle of collecting data, it may create significant error between positions because different correction sources use different reference datum.
Manually selecting a correction source overrides the Geode’s default settings. If NTRIP is selected, the Geode will use NTRIP, but if it loses the NTRIP signal, it will default to an autonomous (uncorrected) solution.
If the Geode is accepting SBAS corrections, and it loses its signal, it will always default to an autonomous solution.
If Atlas is selected, the Geode will use Atlas correction, and if it loses the signal it will default to an autonomous solution.
When the Geode is configured to use an NTRIP service, Geode Connect does not automatically select NTRIP as the only correction source. When using NTRIP, the best practice is to manually select NTRIP as the only correction source.
This specifies which SBAS satellites the Geode should use for GPS correction.
Usually, selecting Auto is sufficient, since the various SBAS services cover very different geographical areas. However, there are some areas where these services overlap (see map below).
For example, if you are collecting corrected GPS positions in the Northeastern United States, the Geode may be receiving SBAS corrections from WAAS or EGNOS. If the receiver is set to Auto, it may even jump back and forth between the two. The two services use different reference datum or models. Switching between them can cause significant error between different points of data. In areas of overlap, the best practice is to select a specific SBAS service from which the Geode should accept corrections data.
■ Auto: Sets the appropriate SBAS PRNs based on the autonomous GPS position.
■ EGNOS: European Geostationary Navigation Overlay Service (Europe SBAS) PRN 120, 124, 126
■ GAGAN: GPS Aided GEO Augmented Navigation (India SBAS) PRN 127
■ MSAS: MTSAT Satellite Augmentation System (Japan SBAS) PRN 129, 137
■ SDCM: System for Differential Correction and Monitoring (Russia SBAS) PRN 125, 141, 140
■ SouthPAN: Southern Positioning Augmentation Network (Australia and New Zealand SBAS) PRN 122
■ WAAS: Wide Area Augmentation System (North America SBAS) PRN 133, 135, 138
■ None: SBAS corrections disabled
These options affect how the Geode collects and processes positioning information, as well as how it outputs certain types of data.
■ GPS Only: Enabling this option tells the receiver to only accept signals from GPS satellites. It stops receiving all GNSS signals as long as this box is checked. This may be a useful option in open areas with little interference, particularly if the user is trying to preserve battery life.
■ Mixed: Enabling this option (default) tells the receiver to use all GNSS satellite signals available to calculate the position solution. This includes non-GPS satellites, which do not have DGPS or SBAS corrections. Certain NTRIP services do provide corrections for non-GPS satellites. For most applications, Mixed is the best choice, particularly if there is a lot of interference.
■ NULL NMEA: This option is available because different navigational apps interpret NULL messages differently. As a default, when the Geode loses its position (cannot get a fix), it sends out a NULL NMEA message. Some apps interpret this NULL message to mean that the Geode’s position is (0°, 0°), which is west of Africa in the Atlantic Ocean. If the app you are using starts showing your position as (0°, 0°), deselecting this option will most likely correct the problem.
■ SBAS Ranging: When this option is enabled, it tells the receiver to treat SBAS satellites as GPS satellites. Doing so has the potential to speed up the initial position fix.
However, SBAS satellites operate in a time system distinct from that of the GPS satellites, so a position solution that includes SBAS satellites may be less accurate than a GPSonly or GNSS-only solution.
The recommendation is to enable this option to speed up the initial position fix and to disable it for improved accuracy.
■ SureTrack: You will only see this legacy feature that applies to GNS 1 and 2 if you are using an older version of Geode Connect.
■ Tunnel: This option enables faster reacquisition after coming out of a tunnel. Use it as needed.
Note: Changes must be saved in order for them to remain
from screen to screen. If the save icon in the lower right corner of the screen is orange, this means there has been a change that needs to be saved. Tap the save icon to save changes . This gives the option to choose how frequently the Geode sends a battery status message.
The message is used by Geode Connect and other applications to display the battery capacity status.
The default setting is Ten Seconds.
The message is sent out from the Geode as a custom message along with the NMEA strings. The message is visible in the terminal screen, as are all other NMEA messages and commands. In Geode Connect, the battery status sentence looks like this: This sentence may not be recognized by some navigation or data- collection apps. If it causes problems in an app, disable it.

Reset Options allows you to select if you would like to perform a soft reset or a receiver reset.
A soft reset reconfigures the Geode to all its default settings. A receiver reset does the same, but it also clears all ephemeris, almanac, and clock data. The Geode will redownload the ephemeris and almanac data the next time it connects with a positioning satellite.
This will increase the time to first fix by about 4–6 minutes the first time you turn the Geode on outside after a receiver reset.
The two Almanac messages from GPS satellites alternately repeat every 12.5 minutes. After a receiver reset, the best practice is to turn on the Geode and wait 25 minutes to ensure a complete Almanac has been stored.
CAUTION: Resetting the receiver cannot be undone.
Manage Subscriptions
GNS3M devices offer a subscription to Atlas. This page allows you to view the details of your current subscription, apply the unlock code, and view the subscriptions that are available for activation.
Tap View Available Features to apply upgrades to the Geode. For more information about activating upgrades, see 9.5.4 Upgrade Geode on page 138.
Configure NTRIP
This page is where you can enter the information supplied by your NTRIP service provider, including the caster IP address, port, username, and password.
Note: NTRIP settings are stored in the Geode Connect app, not in the Geode receiver.
As stated in 2.3.2 NTRIP and RTK on page 9, NTRIP is a useful protocol for precise correction of realtime positioning solutions.
The Geode is able to calculate an RTK Fix/Float position with sub-meter to centimeter level accuracy. NTRIP services do require an internet or cell data connection (via your mobile device) and usually involve either a free or paid subscription to the service.
If you have a subscription to an NTRIP service, Geode Connect will allow you to configure the Geode to use that service.
Note: Changes must be saved in order for them to remain from screen to screen. If the save icon in the lower right corner of the screen is orange, this means there has been a change that needs to be saved. Tap the save icon to save your changes .
To establish an NTRIP connection:

Ensure the handheld device you are using to host Geode Connect has a data connection.
Enter the identifying information supplied by your NTRIP service provider.
Verify “Send GGA to Caster” is checked. This tells the Geode to send its position to the caster so that the caster can locate the mount points closest to the Geode’s position.
Tap Save to enable the Download Mount Points option.
Tap Download Mount Points.
Tap on the down arrow in the dialog box below the Download Mount Points button.
This will open a list of mount points in the network close to the Geode’s position. Choose the appropriate mount point.
If necessary, release the keyboard so that you can see the save icon.
Tap the save icon in the bottom right corner to save your changes .
Tap Start NTRIP.

When NTRIP is connected and working, the word NTRIP and a closed green plug will appear on the upper right corner of the Home page. If an open orange plug appears, the Geode is still trying to establish a connection to the NTRIP service. Sometimes it may take a little longer to connect. If the Geode has trouble connecting, try selecting a different mount point. Tap on the icon to open the NTRIP screen. On this screen you can see the data that is received or stop the NTRIP connection. Third-Party Apps and NTRIP
When using the Geode with Windows PC devices, some third-party mapping and data-collection apps may need some help connecting to an NTRIP service.
If the third-party app has built-in NTRIP capabilities, do not use Geode Connect. Simply connect to the Geode and configure NTRIP in the third-party app.
If the third-party app does not have built-in NTRIP capabilities, you can use Geode Connect to supply that service directly to the app. You will need to connect the Geode to both apps: Geode Connect and the third-party app. This is accomplished via Virtual COM Ports, which can be configured in Geode Connect (see Configure Virtual Port Settings on page 145).
Once the Geode is connected to both apps, configure NTRIP services in Geode Connect as described on page 135. Leave Geode Connect open while using the thirdparty app.
9.5.4 Upgrade Geode On the Upgrade Geode screen you can request a quote for upgrades, activate your upgrades, or extend a subscription.
This screen can also be accessed from under Receiver Configurations > Manage Subscriptions.
See Manage Subscriptions on page 135 for more information.
You can apply upgrades via activations or subscriptions.
■ Activations include a one-time upgrade to apply a new feature to the product. The available activations include increased output rates, multi- frequency, and Atlas basic L-band corrections.
■ Subscriptions include time-based purchases of an H10 or H30 Atlas L-band correction service.
Request a Quote
To request an activation or subscription quote,

Select the check box next to one or more activation or subscription.
Select Next.
Note: If you have a single-frequency Geode, the only activations available are 10 Hz and 20 Hz.
Enter your contact information.
Tap Next.
On the Quote Summary screen, verify your information is correct then select Send Now.

An email requesting your quote will be sent to Juniper Systems, and a representative will contact you.
When the request email is sent, you will receive a Quote Reference Code. This code can be used to reference your request if you encounter any problems and need to contact Juniper Systems. Activate Upgrade
If you have already purchased an activation or subscription, you will need to activate it in Geode Connect.

Verify your device is connected to the GNS3 and the internet.
In the activations list, tap the yellow activate option next to the upgrade you would like to activate.

Extend a Subscription
To extend your current subscription,

Select the check box next to your subscription.
It will be marked with a yellow “Extend.”
Select Next.
Request a quote for the subscription following the process listed in the Request a Quote section above.

If you purchased the subscription previously, you can activate the subscription for your GNS3 on this screen as well.
9.5.5 OS Location Some apps depend on the Windows operating system to provide positioning data.
If you are using the Geode, it is because your project demands precision GNSS. However, if your app is depending on the operating system, it may be collecting data via the consumer-grade receiver in your PC or tablet—not the Geode.
The best way to figure out where your app is getting its positioning data is to take a moment to examine the app.
If the app allows you to directly choose an external receiver, you can select the Geode and trust that the app will rely on the Geode. If the app provides no option for choosing an external receiver, it is most likely relying on the Windows operating system for its data. You will need to enable Windows Location Reporting in Geode Connect.
Windows Location Reporting allows the Windows OS to use the Geode for its Location Services. Select On to turn on Windows Location Services. Once the services are enabled, it is no longer necessary to keep Geode Connect open. If you choose to close Geode Connect, you will need to connect to the Geode via the third-party app or through Settings in Windows.
Note: The Geode sends data only from active NMEA 0sentences to Windows Location Services. To activate specific sentences, see NMEA Sentences on page 126 .
Test Windows Location Reporting
After configuring the Geode to send location data through the Windows OS, you can test to make sure your third-party app is now getting its data from the Geode.
Both of the following tests require that the Geode is on and has had time to build its initial almanac, which usually takes about 25 minutes after it has been turned on for the first time outside.
One-Person Test:

Connect the Geode to your Windows PC or tablet via Bluetooth in the third-party app or the OS. (Geode Connect is not necessary once Windows Location Reporting is enabled.)
Place the Geode in one stationary position. Do not move it.
Open your third-party mapping or data-collection app.
Holding your PC or tablet, walk five to ten paces out and then walk in a circle around the Geode.

If the position in the third-party app does not change significantly (remember, the Geode is just sitting there), the app is drawing its data from the Geode. You can continue to use the app and the Geode without any worries.
If the position moves in a circle, the app is drawing its data from your Windows PC or tablet. Return to page 142 and make sure Windows Location Reporting has been configured.
Two-Person Test:
One person holds the Geode, and the other person holds the Windows PC or tablet.

Connect the Geode to your Windows PC or tablet via Bluetooth in the third-party app or the OS. (Geode Connect is not necessary once Windows Location Reporting is enabled.)
Open your third-party mapping or data-collection app.
The person holding the Windows PC or tablet remains stationary.
The person holding the Geode walks five to ten paces out and then walks in a circle around the person holding the Windows device.

If the position moves in a circle, the app is drawing its data from the Geode. Windows Location Reporting is functioning as it should.
If the position does not change, the app is drawing its data from your Windows device’s internal GPS receiver. Return to page 142 and make sure Windows Location Reporting has been configured.
9.5.6 Configure Virtual Port Settings Geode Connect for Windows PC has a Virtual COM Port Driver. You can use this driver to configure virtual COM ports as writeable. Once writeable, these ports can be used for two-way communication between the Geode and third-party apps, allowing the apps to both receive and send information to the Geode.
Virtual COM ports also provide a convenient way to connect the Geode to both apps (Geode Connect and the third-party app) simultaneously.
This configuration allows the Geode to use NTRIP data from Geode Connect to correct its position and then send that corrected position to the third-party app.
Note: The first time you select Virtual Ports, Geode Connect may prompt you to install the Virtual Port Driver. Go ahead and install it.

Select On.
Select the COM port you would like to make writeable (so that another app can use it to send commands to the Geode).
Tap Save.

The selected port is now available for a third-party app to set up a two-way connection with the Geode.
Note: This port should not be the same as the port being used by Geode Connect. In the example above, COM15 is made available for the third-party app. Geode Connect is using COM4: The Virtual Port Settings page can also be used to delete or deactivate virtual COM ports. Be sure to tap Save after each change.
9.5.7 Request Help and Send Feedback This feature links directly with the email account configured to the PC and opens an email addressed to Juniper Systems Support. The email includes detailed configuration commands from the Geode. This allows Juniper Systems Support to diagnose and solve the problem more efficiently.
This info is also used when purchasing a feature upgrade for the Geode.
You can enter additional information into the email to provide further explanation about your issue 9.5.8 About The About page shows the Geode Connect version currently in use.

Appendix A: Serial Port Configuration

The Geode has a 9-pin RS-232C serial port. This allows the Geode to be mounted to a piece of equipment such as a tractor or a precision planter. This type of configuration maintains a constant connection for data and power to the Geode. Use a straight-through 9-pin cable to establish communication between the Geode and your mobile device. The functions of each pin are listed below.

Pin	Signal	Condition
1	PPS output	Normally low, pulsing high
2	TXD out
3	RXD in
4	Event Mkr in	High to mark
5	GND
6	GPS Lock out	High indicates GPS lock
7
8	Speed Pulse out	Normally low, pulsing high
9	+12V in

You can remotely power on and off the Geode through pin 9 of the serial connection. Apply or remove 12 V (nominal) to cycle power on the Geode.

Appendix B: Warranty and Repair Information

11.1 Limited Product Warranty
11.1.1 Two Year Warranty
Juniper Systems, Inc. (“JS”) warrants that the Geode Receiver shall be free from defects in materials and workmanship, under normal intended use, for a period of 24 months from the date of shipment.
11.1.2 Ninety Day Warranty
JS warrants that the following items shall be free from defects in materials and workmanship, under normal intended use, for a period of ninety (90) days from the date of shipment:
■ User documentation
■ Accessories
11.1.3 Warranty Exclusions
This warranty shall not apply in the following conditions:
(i) The product has been set up improperly or has been improperly installed or calibrated.
(ii) The product is operated in a manner that is not in accordance with the user documentation.
(iii) The product is used for a purpose other than for which it was designed.
(iv) The product has been used in environmental conditions outside of those specified for the product.
(v) The product has been subject to any modification, alteration, or change by or on behalf of customer (except and unless modified, changed or altered by JS or under direct supervision of JS).
(vi) The defect or malfunction results from misuse or accident.
(vii) The serial number on the product has been tampered with or removed.
(viii) The product has been opened or tampered with in any way.
This warranty is exclusive, and JS will not assume and hereby expressly disclaims any further warranties, whether express or implied, including, without limitation, any warranty as to merchantability, fitness for a particular purpose, non-infringement or any warranties arising from the course of performance, dealing, or usage of trade. JS specifically makes no warranties as to the suitability of its products for any particular application. JS makes no warranties regarding the following:
■ Its products will meet your requirements or will work in combination with any hardware or applications software products provided by third parties.
■ The operation of its products will be uninterrupted or error-free.
■ All defects in the product will be corrected.
JS shall not be responsible for software, firmware, information, or memory data contained in, stored on, or integrated with any products returned to JS for repair, whether under warranty or not.
11.1.4 Remedy
In the event a defect in materials or workmanship is discovered and reported to JS within the specified warranty period, JS will, at its option, repair the defect or replace the defective part or product. Replacement products may be new or reconditioned. JS warrants any replaced or repaired product for a period of ninety (90) days from the date of return shipment or through the end of the original warranty period, whichever is longer.
11.1.5 Limitation of Liability
To the fullest extent allowed by law, the obligation of JS shall be limited to the repair or replacement of the product.
JS shall in no event be liable for special, incidental, or consequential, indirect, special or punitive damages of any kind, or for loss of revenue or profits, loss of business, loss of information or data, or other financial loss arising out of or in connection with the sale, installation, maintenance, use, performance, failure, or interruption of any product. Any responsibility and/or liability of JS shall, in connection with a warranted product, be limited in the maximum amount to the original purchase price.
11.1.6 Governing Law
This warranty is governed by the laws of Utah, U.S.A. and excludes the United Nations Convention on Contracts for the International Sale of Goods. The courts of Utah shall have exclusive personal jurisdiction in case of any disputes arising out of or in connection with this warranty.
11.1.7 Warranty Repairs
Warranty information for the Geode Receiver is located on our website at www.junipersys.com/support/my-product.
You can check warranty status, and view warranty terms and conditions.
To obtain warranty repair, paid upgrade, or service on the Geode Receiver, submit a repair order on our website at www.junipersys.com/support/my-product or contact an authorized repair center within the applicable warranty period. Products returned for repair or service without proper authorization may acquire an additional handling fee and/or delay in the repair. The customer is responsible to prepay all shipping costs when sending equipment to a repair center. The repair center will return the repaired equipment by the same method it was received with costs of shipping prepaid.
Services and Materials Provided Under Warranty
■ Analysis of problem by service technician
■ Labor and materials required to fix defective parts
■ Functional analysis performed after repair
■ Repair turnaround within 10 working days of receipt unless special circumstances exist
■ Shipping costs to return device to customer
JS strives to provide continued full repair services for our products for five years or more from the final production date of each product model. However, in some rare cases (depending on the repair need), it may not be possible to perform a repair due to an unforeseen discontinuation or lack of supplied parts from third-party vendors. Repair support for a product may continue beyond five years if obtaining replacement parts or tools remains economically feasible. Our policy is that we will do what is best and most beneficial for our customers and company.
11.2 Repairs, Upgrades, and Evaluations
CAUTION: Do not attempt to repair the Geode Receiver yourself. This action voids the warranty. There are no user serviceable parts inside the Geode.
Information about repairs, upgrades, and evaluations is located on our website at www.junipersys.com/support/my-product. You can locate a repair center, submit a repair order, check repair status, view terms and conditions, get shipping instructions, and view lead times.
Before returning a unit, please get permission by submitting a repair order from our website and waiting for confirmation or by contacting a repair center directly. Be prepared to provide the following information:
■ Product serial number (see label on bottom of unit)
■ Your name
■ Name and shipping address of company/university/ agency
■ Best contact method (phone, fax, email)
■ Clear, highly-detailed description of the repair or upgrade
■ Credit card or purchase order number and billing address (for a repair or upgrade that is not covered by the standard warranty or an extended warranty policy)

Appendix C: Warnings,

Licensing, and Regulations
12 .1 Product Warnings
Follow the warnings listed below to use the Geode and accessories safely.
12.1.1 Battery Warnings
WARNING! This device comes with a lithium-ion rechargeable battery pack. To reduce the risk of fire or burns, do not disassemble, crush, puncture, short external contacts, or expose the battery pack to fire.
The Geode unit contains no user-serviceable parts. If the unit needs service, please send it to a authorized service center.
Improper battery use may result in a fire, explosion or other hazard.
12.1.2 Wall Charger Warnings
WARNING! To reduce the risk of personal injury, electrical shock, fire or damage to the equipment:
Plug the wall charger into an electrical outlet that is easily accessible at all times.
Do not place anything on the wall charger cord or any of the other cables. Arrange them so that no one may accidentally step on or trip over them.
Do not pull on a cord or cable. When unplugging the wall charger from the electrical outlet, pull on the plug, not the cord.
Use only wall chargers intended for the Geode Receiver.
Using any other external power source can damage your product and void your warranty.
12.2 Certifications and Standards
12.2.1 FCC: United States
In compliance with the FCC rules 47 CFR 15.19(a)(3), the statements that follow must appear on the device or in the user documentation.
This device complies with Part 15 of the FCC Rules.
Operation of this equipment is subject to the following two conditions:

The device may not cause harmful interference.
This device must accept any interference received, including interference that may cause undesired operation.

In compliance with the FCC rules, 47 CFR 15.105(b), the user must be notified that this equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
■ Reorient or relocate the receiving antenna.
■ Increase the separation between the equipment and rece i ver.
■ Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
■ Consult the dealer or an experienced radio/TV technician for help.
In compliance with the FCC rules, 47 CFR 15.21, the user must be notified that changes or modifications to the device that are not expressly approved by the manufacturer could void the user’s authority to operate the equipment.
Only approved accessories may be used with this equipment. In general, all cables must be high quality, shielded, correctly terminated, and normally restricted to two meters in length. Wall chargers approved for this product employ special provisions to avoid radio interference and should not be altered or substituted. When used with a 9-pin serial cable, a ferrite is required on the cable near the end of the cable that connects to the Geode.
This device must not be co-located or operating in conjunction with any other antenna or transmitter.
Contains FCC ID: X3ZBTMOD8
12.2.2 Industry Canada
In compliance with Industry Canada rules, the following statement must appear on the device or in the user documentation:
This Class B digital apparatus complies with Canadian ICES-003.
Contains IC ID: 8828A-MOD8
12.2.3 Radio Frequency Safety
This device operates in compliance with the FCC radio frequency exposure limits for an uncontrolled environment.
Users must follow instructions provided in the user documentation to satisfy compliance with FCC radio frequency exposure requirements.
12.2.4 CE Marking (European Union)
Products bearing the CE marking comply with EU Directive 2014/53/EU.
CE compliance of this device is valid only if powered with/by a CE-marked wall charger provided by the manufacturer.
12.2.5 Declaration of Conformity
The Declaration of Conformity for CE Marking is available at: http://www.junipersys.com/doc.

Appendix D: Geode Receiver Specifications

FEATURE	SPECIFICATION
Receiver	■ Receiver Type: GNSS multi- frequency, multi-constellation

(GNS3M, when activated); single- frequency (GNS3S)
■    Signals:
■        GPS: L1CA, L1P, L1C, L2P, L12P, L2C, L5
■        GLONASS: G1, G2
■        Beidou: B1, B2, B3 (without L5)
■        GALILEO E1BC, E5a, E5b
■        QZSS: L1CA, L1C, L2C, L5
■        Channels: 800+
■    SBAS Support: 3-channel parallel tracking
■    L-band: Atlas worldwide 1525-1560 MHz (with subscription)
■    Update Rate: 1 Hz standard, up to 10 Hz or 20 Hz (optional)
Accuracy| ■    SBAS: <30 cm HRMS, <60 cm 2DRMS
■    Atlas (95%):
■        H10: 8 cm
■        H30: 30 cm
■        Basic: 50 cm (requires subscription)
■    RTK (Fixed): 2 cm
■    Autonomous: 1.2 meters HRMS
■    Cold Start: 60 sec typical (no almanac)
■    Reacquisition: 15 sec Atlas, all others <1 sec
Communications| ■    Bluetooth® 4.1 SPP, IAP2, EAP
■    Bluetooth Range: Class 1 Long Range
■    Ports: USB-C, Serial RS-232C DB-9
■    Serial Baud Rates: 4800–115200
FEATURE| SPECIFICATION
---|---
Receiver Protocols| ■    Data I/O Protocol: NMEA 0183, Crescent Raw Binary (proprietary)
■    Correction I/O Protocol: Hemisphere GNSS Proprietary, ROX, RTCM v2.3, RTCM v3.2, CMR, CMR+
■    Other: 1PPS Timing Output, Speed
Pulse, Event Marker Input (optional)
Power| ■    Input Voltage: 5 V DC @ 3 A USB
■    Power Consumption: 1.7–2 W nominal
■    Overtime ll Technology™ Battery: 3.6 V 6000 mAh Li-ion
■        GNS3M: 10 hours
■        GNS3S: 15+ hours
■    Charging time less than 4 hours
Output Power| ■    Output signals variable from 6 to -6 V DC
Input Power| ■    0 to 5 V DC (max +/- 15 V DC)
Antenna| ■    Internal precision single/multi-GNSS with integrated ground plane
■    External Antenna Port:
■        GNS3M: MCX type, 50 ohm 15 V DC @ 45 mA maximum
■        GNS3S: MCX type, 50 ohm 15 V DC @ 20 mA maximum
Juniper Rugged™| ■    Operating Temp: -20° C to +60° C
■    Storage Temp: -30° C to +60° C
■    Meets or exceeds MIL-STD 810G (Drop, Vibration, Temperature, Ingress Protection)
■    Enclosure Rating: IP68 (1.4 meters for 30 min)
FEATURE| SPECIFICATION
---|---
Receiver Upgrades| ■    10 Hz Data Rate
■    20 Hz Data Rate
■    Multi-Frequency
■    Atlas Basic
■    Atlas H30
■    Atlas H10
Software| ■    Geode Connect™ software provides configuration, communications setup, and receiver settings
■    Available for:
■        iPhone and iPad
■        Android 7 and above
■        Windows PC (10/11)
Included Accessories| ■    Cable USB-A to USB-C
■    Cable USB-C to USB-C
■    5/8 x 11 Pole Mount Adapter
■    USB charger
Dimensions| ■    110x110x57 mm (4.36×4.36×2.5 in)
■    394g (14oz)
■    Mount: 1/4×20 camera stud and M4x5 mm AMPS Diagonal
FEATURE| SPECIFICATION
---|---
Compatibility| ■    Geode Connect™ software provides configuration, communications setup, and receiver settings.
■    Windows®
■    Android™ 7 and above
■    iPad and iPhone. Full list of compatible Apple™ devices:
■        iPhone 13 Pro Max, iPhone 13 Pro, iPhone 13, iPhone 13 mini,
iPhone 12 Pro Max, iPhone 12
Pro, iPhone 12, iPhone 12 mini, iPhone 11 Pro Max, iPhone
11 Pro, iPhone 11, iPhone XS Max, iPhone XS, iPhone XR, iPhone X, iPhone 8, iPhone 8
Plus, iPhone 7, iPhone 7 Plus, iPhone SE, iPhone 6s Plus, iPhone 6s, iPhone 6 Plus, iPhone 6, iPad Air 2, iPod Touch (7th generation), iPod Touch (6th generation), iPad (9th generation), iPad mini (6th generation), iPad Pro
12.9-inch (5th generation), iPad Pro 11-inch (3rd generation), iPad (8th generation), iPad (7th generation), iPad Air (4th generation), iPad Pro 11-inch (2nd generation), iPad Pro
12.9-inch (4th generation), iPad Pro 11-inch, iPad Pro 12.9-inch (2nd generation), iPad Air (3rd generation), iPad mini (5th generation), iPad mini 4, iPad mini 3, iPad min 2■        For more information visit the product website: https:// junipersys.com/products/ geode.

Index
A Accuracy 4 correction
Atlas 10
definition 4–5
disclaimer 2, 7
four satellites 8
mutli-GNSS 6, 7
NTRIP 9–10
SBAS 8–9
adapter 14, 16, 19
Android
Learn Geode Connect 64–102
Set Up Geode Connect 60–62
antenna
multi-frequency antenna 3
single frequency 3, 13
App Store ii, 23
Atlas; See also subscription
B base station 9 battery
charging 19
error 15
in the field 15
hours of use 14
LED status indicator 14
temperature
charging 19
operating 162
storage 162
BeiDou 6, 29, 67, 115
Bluetooth wireless technology ii, 13, 18, 161
Connect to
Android 61
iPad and iPhone 23
Windows PC 104
C LED indicator 14
Troubleshooting 106
carrier phase tracking 2, 9
carrying options 15
Certifications and Standards 157
charge; See also battery
circular error probable (CEP) 5
connection; See also Bluetooth wireless technology
serial 108
USB 107
correction
Atlas 2, 3, 10
Android 87
iPad and iPhone 44
subscription 50, 93, 135
Windows PC 129
indicate 29, 67, 115
NTRIP 2, 9–10, 47; See also NTRIP
Android 87, 94, 95, 96
iPad and iPhone 51, 52
Windows PC 129, 135, 136
third-party apps 137, 145
SBAS 2, 8–9
Android 67, 87, 88, 89
iPhone and iPad 29, 44, 45, 46
SBAS Ranging 48, 90
Windows PC 115, 129, 130, 131, 132
Crescent Raw Binary data 12
D data-collection 12, 21, 26, 64, 112
apps 49, 77, 80, 91, 133, 137, 144
DGPS fix 26, 47, 65, 113
Documentation 19
2DRMS 5
E EGNOS 45, 46, 88, 89, 130, 131
error sources 4
clocks 7
ionospheric activity 7, 8
ionospheric errors 8
multipath environment noise 7
satellite orbits 7
external antenna 13, 15
G GAGAN 46, 89, 131
Galileo 6, 29, 67, 115
Geode Connect 12
Learn for Android 63
Set up for Android 59
Learn for iPad and iPhone 25, 26
Learn for Windows PC 111
Set up for iPad and iPhone 22, 23, 24
Set up for Windows PC 103
utility app 12, 23–24, 60–61, 104–105
Global Navigation Satellite System (GNSS)
augmentation 7
multi-GNSS 6, 29, 67, 115
vs. GPS 5 –7
Global Positioning System (GPS)
accuracy and precision 4
number of satellites 6
only 47, 90, 132
satellite constellation, United States 6–7
vs GNSS 5 –7
GLONASS 6, 29, 67, 115
GNS2 3
GNS3M 3, 10, 13, 50, 93, 135
GNS3S 3, 13
GNSS errors 7
Google Play 60
H Hemisphere GNSS 33, 74, 118
Home page
I Android 65
iPad and iPhone 26
Windows PC 113
ideal conditions 4, 7, 8
ionosphere 4, 7
IP68 2, 13, 162
iPad and iPhone
L Learn Geode Connect 26–58
Set Up Geode Connect 23–24
LED Status Indicators 14, 18
Limitation of Liability 152
Location page 68
M Map page 116
MCX Antenna Connector 18
mixed, receiver mode 47, 90, 132
mock location provider 21, 77, 77–102, 78, 79, 80, 81
mount point 52, 95, 136
MSAS 46, 89, 131
multipath environment 7
N Network
CORS 9
NTRIP 9
regional 8
NMEA 12, 18, 32, 40, 41, 73, 84, 118, 126, 162
capture, save, and share 33, 34, 119
null 47, 90, 132
NTRIP 9, 9–10, 51
configure 51–52, 94–96
correction source 44, 87, 129
networks 9
third-party apps on Windows PC 137
O owner’s manual 19
P Points page 29
port
9-pin RS-232C serial 15, 108, 149
Bluetooth wireless 13, 77; See also Bluetooth wireless
technology
external antenna 13, 15
Virtual COM port 145
Port Connection
for Android 82
for iPad and iPhone 38
for Windows PC 123
post processing 4
power supply 14
precision 4, 5, 9, 12
protocol
Q Crescent Raw Binary data 12
NMEA 12, 18, 162
NTRIP 9–11, 51, 94, 135, 137
RTCM2 12
QZSS 29, 67, 115
R radio frequency safety 158
real-time 2, 4, 7, 8, 51, 77, 94, 135, 142
Real-Time Kinematic (RTK) Positioning 9–11
receiver mode 47–48, 89–90, 131–132
Glofix 47
mixed 47, 90, 132
null NMEA 47, 90, 132
SBAS ranging 48, 90, 132
SureTrack 48, 90, 132
tunnel 48, 90, 132
receiver reset 20, 49, 92, 134
reliability 5, 12, 23, 60, 104
repair 154
reset; See also receiver reset; See also soft reset
Root Mean Square (RMS) 5
RS-232C 15, 18, 108, 149, 161
RTCM 12
RTK 9, 26, 51, 65, 94, 113, 136
S satellite
constellation
BeiDou (China) 6, 29, 67, 115
GALILEO (EU) 6, 29, 67, 115
GLONASS (Russia) 6, 29, 67, 115
GPS (US) 6, 29, 67, 115, 161
orbits 7
skyplot 28, 66, 114
SBAS 8–9
correction source 44, 87, 129
map 45, 88, 130
ranging 48, 90, 132
SDCM 46, 89, 131
send command 32, 74, 118
serial port 15, 108; See also RS-232C
Settings page 35, 75, 120
Skyplot 28–29, 66–68, 114–116
soft reset 20, 49, 92, 134
SouthPAN 46, 89, 131
specifications 161–168
subscription 3, 9, 10, 13, 50, 51, 93, 94, 135, 136
T Terminal 32, 73, 118
twice the distance root mean square (2DRMS) 5
U update rate 41, 85, 127
USB 12, 39, 83, 104, 108, 125, 161
connection 107
power supply 14
USB-A 14
USB-C 15, 18, 19
W WAAS 45, 46, 88, 89, 130, 131
warnings 156
warranty 151–154
waypoints 29, 68, 116
Windows PC
Learn Geode Connect 112–147
Set up Geode Connect 104–110

tel: 435.753.1881
web: www.junipersys.com
1132 W. 1700 N. Logan, UT 84321

References

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JUNIPER SYSTEMS GNS3 Real Time Sub Meter GPS Receiver User Manual

GNS3 Real Time Sub Meter GPS Receiver

Introduction

Geode Features

Getting Started

Set Up Geode Connect for iPad and iPhone

Learn Geode Connect for iPad and iPhone

Set Up Geode Connect for Android

Learn Geode Connect for Android

Set Up Geode Connect for Windows PC

Learn Geode Connect for Windows PC

Appendix A: Serial Port Configuration

Appendix B: Warranty and Repair Information

Appendix C: Warnings,

Appendix D: Geode Receiver Specifications

References

Read User Manual Online (PDF format)

Download This Manual (PDF format)

JUNIPER SYSTEMS User Manuals

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