gqrx ☆
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Description:
Software-defined radio receiver powered by GNU Radio and Qt
Type: Cask  |  Latest Version: 2.17.7@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Multimedia
Tags: sdr radio gnuradio qt spectrum
Install: brew install --cask gqrx
About:
Gqrx is a functional software-defined radio (SDR) receiver that leverages the power of GNU Radio and the Qt framework. It can process I/Q data from various hardware sources like RTL-SDR, HackRF, or Airspy, turning a computer into a versatile radio scanner. Its primary value is providing an accessible, cross-platform interface for exploring the radio spectrum and listening to diverse signals.
Key Features:
  • Supports a wide range of SDR hardware including RTL-SDR, HackRF, and Airspy
  • Real-time spectrum analysis and waterfall display
  • Decodes various modulation types including AM, FM, and LSB/USB
  • Cross-platform availability (Linux, macOS, Windows)
Use Cases:
  • Exploring and monitoring radio frequency spectrum
  • Listening to amateur radio, air traffic, or weather broadcasts
  • Signal analysis and educational purposes for radio enthusiasts
Alternatives:
  • SDR++ – A modern, modular SDR software often cited for its cleaner UI and active development.
  • CubicSDR – Another cross-platform SDR application with a focus on a modern, demodulator-centric workflow.
Version History
Detected Version Rev Change Commit
Jul 11, 2024 9:35am 2.17.5 0 VERSION_BUMP 2297ca6b
Feb 11, 2024 4:10pm 2.17.4 0 VERSION_BUMP 3354c406
Oct 22, 2023 9:18am 2.17.3 0 VERSION_BUMP c225bb5d
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