marxy's musing on technology

To go with my recently constructed 80m double side band transmitter , I've just completed a crystal locked direct conversion receiver. T...

The arrival of the WIA's " Amateur Radio " magazine is always a pleasure but as a home brew enthusiast I find myself flipping ...

I wish Telstra offered this: Great stuff guys!

For some reason it hasn't worked in the past. Presumably the combination of strict routers at either end and some problems with the impl...

Well, I'm absolutely stoked! I've just had a 30 minute contact with Peter, VK3EPW, who's in Melbourne. Both of us running home b...

We gathered at the WIA Dural site today for a show and tell and a talk on recovering components from PCBs. The construction of the new shed ...

I've been publishing design and construction notes from Peter, VK3EPW and he's sent more information on his 8MHz IF. Rather than cre...

I finally debugged my rebuilt 80m DSB transmitter based on the design in Drew Diamond's first radio projects book. The first version su...

No, not me thank goodness. I enjoy looking at the 100 year old photo archive and today searched for "ham radio" and stumbled upon...

Sounded too good to be true, and yes it was. We stayed at the Sandcastles apartments at Coffs Harbour which advertised "free wireless b...

Just attended the Mid North Coast Radio Expo and had a fine time. Chatted to lots of people, had a good look at the exhibits, bought a few b...

It is once again my great pleasure to combine a family get-together with the annual Mid North Coast Radio Expo . Today we drove seven hours ...

At first glance the new iWork for 2009 looks very similar to the past version, but there are a few features and some polish that makes it a...

Spurred on by the success and what I've learned from my battle with the Bitx20 I sat down and constructed a transmitter from scratch. I...