Using GQRX-scan as a "poor man's police scanner" for analog trunked radio on Linux / Raspberry Pi : r/RTLSDR
GitHub - adolfogarza/GQRX-Scanner: Python Script that allows GQRX users to automatically scan custom frequency ranges by remote controlling the GQRX client's RTL-SDR hardware.
How to Hack Radio Frequencies: Building a Radio Listening Station to Decode Digital Audio & Police Dispatches « Null Byte :: WonderHowTo
GQRX Scanner Linux RTL-SDR - YouTube
Gqrx SDR - Google Groups
phasenoise — LiveJournal
GitHub - neural75/gqrx-scanner: A frequency scanner for Gqrx Software Defined Radio receiver
15$ Linux Ubuntu radio scanner - installation and configuration of most usable RTL-SDR apps - YouTube