Testing Signal Quality with Spectrum Analyzer?

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Do I Need A Filter?

OPTION-1: DVB-T plugged into Raspberry Pi. This method uses software tool rtl_power which is part of software package rtl-sdr. Credits: Kyle Keen (keenerd): For rtl_power and heatmap.py Oliver Jowett (obj): For guide how to use rtl_power and heatmap.py STEP-1 of 6: Install required packages (rtl-sdr and python-imaging), and get the python script (heatmap.py) to create image scan.png from scanned data stored in file scan.csv sudo apt-get install rtl-sdr ## For Raspbian Jessie & Stretch u…