Home » Amateur Radio

Looking at the Heathkit HD-1416 Code Practice Oscillator

Today my Heathkit Code Practice Oscillator arrived. I was lucky enough to pick it up on eBay for a song, but the shipping took forever. Anyway, it’s a beautifully constructed unit, built from a multivibrator circuit, based around…

Read More »

Interconnectivity where it is not expected

I was actively involved in packet radio here in Canberra in the 80’s and 90’s. Great stuff, and a ton of fun. We had a core group of probably 10 -15 people here who were active. I did…

Read More »

The 122G Project

(The cover photo for the project is Andrews dish (VK3CV/WQ1S) from the DUBUS article.) I encountered a fascinating project by a group of Amateur Operators, where they are re purposing a radar module made by a German company,…

Read More »

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…

Read More »

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…

Read More »

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…

Read More »

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…

Read More »

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…

Read More »

Finally finished my DMR hotspot

Success! After initially putting together a DMR hotspot based on a MMDVM hat mounted on a Raspberry Pi and configuring with a pi-star image in December last year, I finished putting together the enclosure for it today. I…

Read More »

mcHF clones from China

  So much has happened in the time since I last posted – I have moved house (and workshop), changed employers, etc, etc, and not been in a position to do much SOTA work, but thats ok –…

Read More »