Category Archives: SOTA

144 MHz for the KX2 Transceiver

Many times I have thought it would be nice to have 2 metres on the KX2, I do miss it from the FT817 days. This bare board transverter was on Ebay from a Ukraine seller, the feedback was very good … Continue reading

Posted in Projects, radio communications, SOTA | 2 Comments

Mt McLeod VK3/VE-034 SOTA

Mt McLeod was on the unfinished business list after we ran out of day light a couple of years ago when it was summit 3 for the day and decided to turn back. Kevin, VK3KAB and I decided to have … Continue reading

Posted in Hiking, SOTA | 4 Comments

Diamond RHM8B Antenna Strain Relief

I came across this interesting part at the Tokyo Radio Fair last month. It is a BNC strain relief for the popular Diamond RHM8B antenna, particularly when used with a PL259 socket adaptor on an FT-817.  If anyone has one … Continue reading

Posted in radio communications, SOTA | 2 Comments

Lightweight 2m Yagi for SOTA

With HF conditions poor at the moment,  2 metres with a bit of antenna gain is a good backup or main setup for SOTA. I wanted to make this antenna very lightweight and easy to carry in the pack without … Continue reading

Posted in Projects, radio communications, SOTA | Tagged | 9 Comments

MFSK16 APRS Tracker

Over the past couple of weeks I have been running this  MFSK16 APRS HF tracker in the car as a breadboard on 40m. I tossed up on whether to make a leaded or surface mount PCB, but ended up with … Continue reading

Posted in Projects, radio communications, SOTA | Tagged , , | 7 Comments

Yaesu VX8-DR GPS Revisited

A while back I made a GPS receiver module add on for the VX8-DR so that it could be used for APRS while on SOTA hikes. The module worked well although it was not that practical for portable operation because … Continue reading

Posted in Projects, radio communications, SOTA | Tagged , | 1 Comment

QCX QRP Portable Transceiver Build

This compact “QRP” or low power radio kit from QRP Labs in UK was too good to resist.  At $49.00 USD, it packs a lot of functionality into a small package.  The radio is based around an IQ phasing receiver … Continue reading

Posted in Projects, radio communications, SOTA | Tagged , , | 9 Comments