macOS native desktop Software Defined Radio app
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screenshot.png Added screenshot, minor changes to GUI code. Oct 13, 2017


A macOS native desktop Software Defined Radio application using the RTL-SDR USB device.

NB: This is purely experimental software. I am using this application as a platform for teaching myself macOS desktop application programming as well as DSP techniques. As it is, there are numerous sections of code where improvement is needed.



  • RTL-SDR hardware
  • Spectrum Analyzer
  • Spectrogram
  • AM Demodulator
  • FM Narrow Demodulator
  • FM Wide Demodulator (mono only)
  • Mixer Tuning
  • Swipe to tune