[Chris D] noticed that the excellent software defined radio (SDR) software gqrx will run on the Raspberry Pi now. So he married a Raspberry Pi 3, a touchscreen, an RTL-SDR dongle, and an upconverter ...

The Raspberry Pi is one of the smallest computers anyone can buy. It also happens to be one of the cheapest, with flagship models priced at under $100. This is thanks to how every Pi unit consists of ...