marxy's musing on technology

This month I have an article in the WIA's Amateur Radio magazine .  It's a venerable publication where many of my ham radio heros ha...

I joined Graeme VK3CDO and we spent a very pleasant afternoon, night and breakfast at the Barmah Lakes campground near Echuca. As usual, Gr...

After Sunday's FreeDV net on 40m, my neighbour (1km away), Richard VK3LRJ, commented that he couldn't hear all the stations I was he...

16 stations seen (not all transmitted though) on today's FreeDV net. Many stations have updated to the recent version 2.1 release. The L...

The annual Rosebud Radiofest was enjoyable again this year. I'm trying not to acumulate too much gear but it's always great to catch...

One of the keys to getting the best out of digital voice over HF using FreeDV is having a good quality microphone fairly close to the speake...

The global video games market is worth approximately $337 billion US, 10 times the size of the global movie business. Video games have gone ...

Bought one of these 12V power tool battery adapters. It has an adjustable output voltage - handy for the QRP-Labs QMX which is rather sensit...

We are experiencing a severe geomagnetic storm at the moment. The Macedon Radio club's 80m net noticed the strongest local signals in re...