New 4.4 GHz Spectrum Analyzer and Measuring Receiver ‹ SPARKY's Blog
RTL-SDR Wide Spectrum Analyzer
An RTL-SDR Spectrum Analyzer | Hackaday
Android SDR with Spectrum Analyzer and Waterfall display
How accurate are SDR or software defined radio as a spectrum analyzer, especially in a small bedroom? I'm getting harmonics all over the place with the AnyTone AT-D878UV. : r/amateurradio
HPSDR - Cyclops
SATSAGEN Spectrum Analyzer Software Updated: Now Supports RTL-SDR