inspectrum
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Description:
Offline radio signal analyser
Type: Formula  |  Latest Version: 0.4.0@0  |  Tracked Since: Dec 1, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: radio signal-processing sdr analysis reverse-engineering
Install: brew install inspectrum
About:
Inspectrum is a graphical offline tool for analyzing radio signals from IQ recordings. It visualizes signal components in time and frequency domains, allowing users to precisely measure parameters like symbol rates and modulation characteristics. This makes it invaluable for reverse engineering unknown signal protocols.
Key Features:
  • Detailed time and frequency visualization of IQ data
  • Precise symbol rate and parameter measurement tools
  • Support for various modulation schemes
  • Offline analysis capability for security research
Use Cases:
  • Reverse engineering proprietary radio protocols
  • Analyzing signal characteristics for demodulation
  • Educational purposes in digital signal processing
Alternatives:
  • Universal Radio Hacker (URH) – URH offers broader protocol analysis and generation features, while Inspectrum focuses specifically on detailed signal visualization and measurement.
  • GQRX – GQRX is primarily a real-time receiver, whereas Inspectrum excels at offline analysis of recorded IQ files.
Version History
Detected Version Rev Change Commit
Dec 1, 2025 6:00pm 0 VERSION_BUMP b3f82b0c
Sep 30, 2025 8:02pm 0 VERSION_BUMP 52a7f0f6
Sep 17, 2025 12:19am 0 VERSION_BUMP 26037bad
Sep 14, 2024 9:10am 0 VERSION_BUMP 000ed29e