Scanning through my newly available low frequency bands, I happened upon a friendly bunch of ham operators from Europe, conversing in something called RTTY, often pronounced “ritty”, which stands for Radio TeleTYpe. It’s a basic method of sending text messages over the air. Luckily, I happened to have an application on hand which can decode [...]

If you’ll recall some months ago, I wrote an article about software-defined radio and how to get started using a ~$20 TV tuner dongle, but things have since moved on so I thought I’d better drop by with a bit of an update. Tuner Software In the original article, I recommended HDSDR which at the [...]

Intro Does that picture ring any bells? You know, that thing we used to listen to before the internet happened? That chunk of RF right between 88 and 108MHz with all the crazy DJs, talk and music? Right, that’s the one. But didn’t you ever wonder what could happen if you were able to force [...]