[Chris D] noticed that the excellent software defined radio (SDR ... an RTL-SDR dongle, and an upconverter to make a very nice receiver setup. You can see the receiver in action below.

At first glance, the ColibriNANO SDR looks like another cheap SDR dongle. But after watching [Mile Kokotov’s] review (see video below), you can see that it was built specifically for software ...