850 MHz scanner preamplifier / filter project

KF5OBS writes: This article shows how to use off-the-shelf parts to improve the performance of a radio scanner in the 800 – 900 MHz band. Furthermore, it shows how to expand radio coverage by using two different receive antennas at the same time. For some reason, my new BCD996XT scanner wasn’t working as expected on […]

RTL-SDR scanner

Al from Ear to Ear Oak has released this open source cross platform Python frequency scanning GUI for the OsmoSDR rtl-sdr library. The software scans a range of frequencies and plots the result, allowing you to find signals to investigate. The RTL dongle has a maximum bandwith of about 2.8MHz but with this you can […]