Just bought a rtl-sdr. Linux software - what is not rubbish.

This page summarizes the projects mentioned and recommended in the original post on /r/RTLSDR

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  • sigutils

    Small signal processing utility library

  • Aaaand GNU Radio, but this time you get a huge package of "Lego bricks". You need to figure out how to connect them. Still, when you learn it – effects can be great. GQRX uses GNU Radio as its "backbone", SigDigger uses sigutils: https://github.com/BatchDrake/sigutils

  • SigDigger

    Qt-based digital signal analyzer, using Suscan core and Sigutils DSP library

  • SigDigger is good for a playback of prerecorded full-spectrum files (also called IQ files). Has the time slider, so if you missed anything you can rewind. https://batchdrake.github.io/SigDigger/

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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