You can see the relative strengths (dB) of Cell/Mobile and ADSB signals as well as strength of noise if you do the scan on Windows using software “rtlplan.exe”. This method plots the heatmap like RPi, as well as a graph showing relative strengths of sinals in dB. This method is given in OPTION-2 of the thread “Do I Need A Filter?”
Here is scan at my location, done with DVB-T plugged into Windows Computer
