Inspectrum is a Linux and OSX based tool that can be used for analysing captured signals. It is compatible with the IQ files generated from SDRs, such as the RTL-SDR or HackRF.
Over on YouTube user Mike has uploaded a video that demo’s the latest version of Inspectrum. He shows how the tool can be used to quickly browse the waveforms in a captured signal and how it can be used to determine various digital binary signal properties through an overlay that can be dragged to match the bit frequency of the captured signal.
This program looks like it is shaping up to be a very useful tool for those interested in reverse engineering digital signals. The Inspectrum code and installation procedure can be found at https://github.com/miek/inspectrum.
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