RTLSDR Scanner is a program that can be used with an RTL-SDR to do a power scan over a very wide frequency. It works by quickly scanning the selected bandwidth in chunks and stitching the results together. Previously to install this software you had to run an installer which installed many dependencies. However just recently the author has released a standalone version which doesn’t require any installation. To use this version simply download the RTLSDR Scanner .exe file, and place it into the same folder as the official Windows librtlsdr drivers, which can be downloaded from Osmocom.
One useful application that RTLSDR Scanner can be used for is to generate a signal strength heatmap. If you connect a GPS device to your laptop, RTLSDR scanner will record GPS coordinates together with signal strengths as you drive around. From this a heatmap of signal strengths can be generated which can help you to find signal sources, or sources of interference.
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