Author: Doug

The 122G Project

I encountered a fascinating project by a group of Amateur Operators, where they are re purposing a radar module made by a German company, Silicon Radar, to operate as a general purpose 122Ghz transciever. The driver behind the…

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Racal Matel 2c800 Field Phone

So, I was browsing the Internets a while ago, continuing my search for interesting ex military radio gear, and I encountered these awesome Racal Matel Field Phones. There were a couple of people selling them, so I picked…

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Tuggeranong Hill Activation

Today, I activated Tuggeranong Hill (VK1/AC-038) again. Unfortunately, I was late leaving home, and the walk up took *much* longer than I expected, likely because of the staying inside with Covid (That’s my story, and I am sticking…

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Using the USB ATTiny 85 boards

No Picture

I have always loved the Arduino universe. I started originally with Microchip PIC devices, but once I discovered Arduino, my world changed :-). For the last year or so, I have been playing with a tiny board that…

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The world of Raspberry Pi Clusters

(or – how to chuck a heap of computers into a small space… to do SDR functions.) So – One of my fellow Ham operators here in Canberra, Wade (VK1MIC) showed me a photo of his cluster of…

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Building Hardware to Communicate with a LORA Satellite

A couple of months ago, a Spanish PicoSatellite (5cm x 5cm x 5cm) was launched called FossaSat-1 ( https://fossa.systems/ ). It was designed using open source principles and provides a LORA downlink on 70cm UHF using a standard…

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QRP Labs Ultimate3S

Sooooo. A long time ago I discovered that I enjoyed using the Weak Signal Propagation Reporter (WSPR) to see how open various bands were during the day. I even went to various parks at lunchtime to set up…

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G90 and JT8

Today I worked on getting JT8 working with my G90. It was a bit of a journey, so I thought I would add it to my blog for later use. Rig control: The G90 CAT interface is a…

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Ham Radio Delux and the Xiegu G90

I am enjoying the G90 that I purchased the other week, and now that work is over for the year I have time to start getting it ready for digital modes. One thing that infuriates my enormously is…

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Xiegu G90

I recently gave myself a small Christmas gift of a Xiegu G90. I have been eyeing them off for a number of months, and a large client order associated with one of my businesses provided the funds to…

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