GitHub - shajen/rtl-sdr-scanner: Automatically scan and record selected frequencies ranges using rtl-sdr.
GitHub - shajen/rtl-sdr-scanner: Automatically scan and record selected frequencies ranges using rtl-sdr.
![Using SDR to Build a Trunk Tracker - Police, Fire, and EMS Scanner - Black Hills Information Security Using SDR to Build a Trunk Tracker - Police, Fire, and EMS Scanner - Black Hills Information Security](https://www.blackhillsinfosec.com/wp-content/uploads/2021/05/image-29-1024x349.png)
Using SDR to Build a Trunk Tracker - Police, Fire, and EMS Scanner - Black Hills Information Security
![rtl sdr - How to increase the range of the spectrum analyzer in SDRSharp? - Amateur Radio Stack Exchange rtl sdr - How to increase the range of the spectrum analyzer in SDRSharp? - Amateur Radio Stack Exchange](https://i.stack.imgur.com/qocve.png)