Radioaddity HF-008 Portable Telescopic Antenna User Guide
- May 15, 2024
- Radioaddity
Table of Contents
Radioaddity HF-008 Portable Telescopic Antenna
Specifications
- Black part with 9 holes for plugging in the jumper cable
- Silver-colored body with a total mechanical length of 67 cm / 26.4 in
- Long (L) top radial with a variable active length between 46.5 cm / 18.3 in and 77.5 cm / 30.5 in
- Short (S) top radial with a variable active length between 25.5 cm / 10 in and 56 cm / 22 in
- Silver extension radial with a fixed length of 31.7 cm / 12.5 in
Product Usage Instructions
Setting the Length of Short (S) / Long (L) Radial
Refer to the table provided in the manual to determine the appropriate length based on the frequency band you intend to use.
Antenna Setup for Specific Band
- Select the listed top radial corresponding to the frequency you plan to use.
- Mount the top radial into the extension radial.
- Mount the extension radial onto the black part.
- Release the grub-screw of the fixing part slightly counterclockwise to align the length of the top radial.
- Tighten the grub screw of the fixing part by turning it clockwise.
- If necessary, plug in the patch cable accordingly. Ensure one side of the patch cable is always plugged into hole 1 (except for the 80m band).
FAQ
- Q: How do I know which top radial to use for a specific frequency?
- A: Refer to the provided table in the manual that correlates the frequency bands with the recommended top radial lengths.
- Q: What should I do if I encounter signal interference while using the antenna?
- A: Try adjusting the length of the top radial or repositioning the antenna to minimize interference. You can also consult with a professional for further assistance.
Product Description
The antenna comes with
- Black part (with 9 holes for plugging in the jumper cable) with silver coloured body (total mechanical length 67 cm / 26.4 in)
- Long (L) top radial with a variable active length between 46.5 cm / 18.3 in and 77.5 cm / 30.5 in
- Short (S) top radial with a variable active length between 25.5 cm / 10 in and 56 cm / 22 in
- Silver extension radial (fixed length of 31.7 cm / 12.5 in)
- Jumper cable for use with black part
- 2mm Allen-key (required to move the fixing part of the S and L top radial)
The following table shows how to set the length of the short (S) / long (L) radial
DIMENSIONS
f [MHz]
| ****
l [m]
| ****
Band
| ****
Jumper
| ****
Which top radial to use
| Visible length of top radial (without the extension and the black
part)| Total silver radial length (extension plus top radial)
---|---|---|---|---|---|---
3.56| 84.21| 80| no| S| 42cm / 1.4ft| 73.7cm / 2.4ft
7.05| 42.52| 40| 2| S| 31cm / 1.0ft| 62.7cm / 2.1ft
10.10| 29.68| 30| 3| S| 31cm / 1.0ft| 62.7cm / 2.1ft
14.00| 21.41| 20| 4| S| 44cm / 1.4ft| 75.7cm / 2.5ft
18.00| 16.66| 17| 5| L| 54cm / 1.8ft| 85.7cm / 2.8ft
21.10| 14.21| 15| 6| S/L| 46.5cm / 1.5ft| 78.2cm / 2.6ft
24.90| 12.04| 12| 7| S| 41.5cm / 1.4ft| 73.2cm / 2.4ft
27.00| 11.10| 11| 8| S| 41cm / 1.3ft| 72.7cm / 2.4ft
29.00| 10.34| 10| 8| S| 26.5cm / 0.9ft| 58.2cm / 1.9ft
50.00| 6.00| 6| 9| S| 25.5cm / 0.8ft| 57.2cm / 1.9ft
How to set the antenna for the use of a specific band
- Select the listed top radial according to the frequency you plan to use.
- Mount the top radial into the extension radial.
- Mount the extension radial onto the black part.
- Release the grub-screw of the fixing part (just a little turn counterclockwise) to align the length of the top radial.
- Tighten the grub screw of the fixing part (by turning the grub screw clockwise).
- If required, plug in the patch cable accordingly. One side of the patch cable is always (except for the 80m band) plugged into hole 1.
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