173: Introduction to RTL-SDR low cost software defined radio receivers - YouTube
Gqrx SDR – Open source software defined radio by Alexandru Csete OZ9AEC
Getting Started With SDR (software defined radio): Tutorial - Austin's Nerdy Things
rtl-sdr.com - A blog about RTL-SDR (RTL2832U) and cheap software defined radio
Amazon.com: RTL-SDR Blog V3 R860 RTL2832U 1PPM TCXO SMA Software Defined Radio (Dongle Only) (Black) : Electronics
SDR – Get Maximum Decodes When Your Levels Are Right – Software Defined Radios for Digital Communications | K3RRR Kilo Three Triple R Amateur Radio Station
SDR++ Android App Public Pre-Release Now Available
Amazon.com: Nooelec NESDR Mini USB RTL-SDR & ADS-B Receiver Set, RTL2832U & R820T Tuner, MCX Input. Low-Cost Software Defined Radio Compatible with Many SDR Software Packages. R820T Tuner & ESD-Safe Antenna Input :