Cheap radio audio interface

This turned into a surprisingly tricky project… I have a signalink as my main audio interface box to my radios. It’s basically a USB sound card that connects to the data port of my radios and lets me use digital modes. It also has a couple of knobs to control levels. It’s great, I love […]

Astronomy, General, Radio

Simple SSTV from the ISS

From time to time the International Space station transmits Slow Scan TV (SSTV) images as it passes overhead. These are relatively simple to receive and decode and sometimes you can get a downloadable certificate for decoding them.

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