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NanoVNA and EFHW
The NanoVNA arrived the other week, these units are very good value and work remarkably well. With small size and weight (63 grams)including battery, it can easily be taken out in the field, providing...
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LoRa GPS Tracker
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...
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Archer Lookout VK3/VC-038
One of the newer Victorian summits added to the register late in 2019 was Archer Lookout, VK3/VC-038. Ron, VK3AFW was the first to activate it and after some discussions on access, I planned an...
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Jpole for 70cm
While experimenting with LoRa, I needed a better antenna at home for range testing the LoRa tracker. I came across this Jpole antenna calculator and used it as a starting point for dimensions. As we...
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USX or uSDX QRP HF Transceiver
This build is based on the interesting design by Guido, PE1NNZ. The transceiver originally used the very successful QCX as an initial platform, but it now has it’s own life and there are several...
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3D Printed Accessories for the FT-817
A few radio accessories printed out recently for the ‘817 transceiver (from Thingyverse, see links): DC plug adaptor using an XT60 connector. I have been using these connectors for a while now, they...
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PD Powerbank for SOTA Radios
This post describes how the newish Power Delivery (PD) mode mobile powerbanks can be used to power a SOTA transceiver as well as keeping your other hiking devices charged. The PD protocol enables fast...
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Stingray Marine Transceiver
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...
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PCM Kestrel HF Transceiver
The PCM Kestrel is a HF transceiver from the 1970s that was intended for marine applications and made here in Oakleigh, Victoria. There is also a Hawk version that was targeted at land base...
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PCM Kestrel HF Transceiver Part 2
In the previous post, the Kestrel had a two line LCD display on the lower area of the speaker grille. One of the nice things about this transceiver is the sound, and this was compromised by the LCD...
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Battery Box for the FX-4CR
The FX-4CR transceiver is a very compact radio transceiver for amateur radio, manufactured in China by BG2FX. I’ve had a lot of fun using mine from mountain tops around Australia and overseas. When...
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Codan 7727TB Upgrade
Recently I obtained a couple of remote head Codan 7727TB transceivers from the EMDRC at a pretty good price. The transceivers had no remote heads or outside covers unfortunately, but for the price...
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