9V1KG, Klaus, Feb 2021
The presentation gives an overview on SDRs under $ 200 and active antennas for the HF range, and how to setup a simple and low budget SWL and monitoring station.
Audio samples
Received on 160 m with active loop and RTL SDR with up-converter.
Comparison between signals received on 80 m (YB2BFF) with ICOM 7300 and 5 m whip antenna with loading coil, and RTL-SDR with up-converter, active loop antenna and GQRX software receiver.
PSK Reporter
PSK reporter link to see current stations received.