Tag Archives: arduino

Stingray Marine Transceiver

Posted on March 11, 2023 by vk3yy

Its been a while since the last post, a lot has happened. It looks like WordPress has changed quite a bit too! At the Ballarat Hamfest recently, I picked up an old Marine transceiver for a princely sum of $10. … Continue reading →

Posted in radio communications | Tagged , , , | 10 Comments

LoRa GPS Tracker

Posted on October 27, 2019 by vk3yy

LoRa is a newish Internet Of Things communications technology.  It promises long range (LoRa), transmits a small amount of power and is designed for sensors that may need to operate from batteries for very long periods of time.  The air … Continue reading →

Posted in Projects, radio communications | Tagged , , , , | 17 Comments

VX-8DR and GPS

Posted on July 24, 2015 by vk3yy

I recently obtained a Yaesu VX-8DR, primarily for use on SOTA activations.  The radio has the six metre band, which is a bonus as SOTA is presently running a six metre challenge. It’s a nice little radio with lots of … Continue reading →

Posted in Projects, SOTA | Tagged , , , , | 10 Comments

Antenna Analyser Project

Posted on September 29, 2014 by vk3yy

This VSWR analyser looked interesting from K6BEZ.  Certainly simple and low cost and probably just the thing to test the multiband SOTA antennas that I have been putting together lately.  I happened to have one of the DDS modules spare … Continue reading →

Posted in Projects | Tagged , , , , | 226 Comments

Transceiver for Backpacking

Posted on August 10, 2013 by vk3yy

I have been looking around for a compact SSB transceiver design to take on lightweight SOTA expeditions.  Something sized around 100mm x 100mm x30mm.  If the MST400 was a little smaller, it would be the clear choice, but the board … Continue reading →

Posted in Projects, radio communications | Tagged , , , , , , , , , , , | 35 Comments