SDR As A Police And Fire Radio Scanner. If you’ve lost interest in that DVB dongle you bought to give software defined radio a try you should bust it back out. Harrison Sand just finished a. Download RTLSDR Scanner for free. A cross platform Python frequency scanning GUI for rtl-sdr. A cross platform Python frequency scanning GUI for USB TV dongles, using the OsmoSDR rtl-sdr library. In other words a cheap, simple Spectrum Analyser.
From The RadioReference Wiki
- 1Sentinel
Software package published by Uniden, for their HomePatrol-1, HomePatrol-2, BCD436HP, BCD536HP, SDS100 and SDS200 scanners; freeware that allowing all users to download and try, before purchase of the scanners. Both version give the user the ability to Update Firmware, Update the Radio Reference Data Base (RRDB), build, create, edit and maintain Favorite List, Systems, Departments, analog & digital channels (Talkgroups), frequencies and various other attributes including Services Type to Monitor all via the software package for Windows based PC's and not MAC (See Below) and requiring a free PC USB port a USB A - USB Mini B connection cable and/or a MicroSD card reader and/or adapter for standard sized SD cards. Follow Uniden recommendation on install.
Sentinel Pages
Options for running Sentinel on an Apple Mac running macOS
Covers options like running Windows natively, using a Virtual Machine (full-featured Windows inside macOS), or simply running Sentinel inside macOS using a lightweight Windows runtime environment.