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Gqrx SDR 2.17
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@argilo argilo released this 01 Oct 19:40
· 151 commits to master since this release
v2.17
1897b65
  • New: "Avg" plot mode, which displays average of FFT bins.
  • New: "Fill" plot mode, which displays both maximum & average of FFT bins.
  • New: "Histogram" plot mode, which displays distribution of FFT bins.
  • New: Selectable plot scaling: dBFS, dBV/RBW, dbV/√Hz, dBm/RBW, dBm/Hz.
  • New: Min hold line in plot.
  • New: A/B measurement markers on plot.
  • New: Plot tooltip displays delta from demod frequency.
  • New: Dropped frames are indicated by red background in FFT Settigns panel.
  • New: "Avg" waterfall mode, which displays average of FFT bins.
  • New: "Sync" waterfall mode, which mirrors averaged data from plot.
  • New: Support for RTL-SDR Blog V4 in AppImage and DMG releases.
  • New: Save FFT plot center frequency in settings.
  • Improved: Peak detection algorithm.
  • Improved: Peak detection uses peak hold data when available.
  • Improved: Maximum FFT size increased to 4M.
  • Improved: Maximum frame rate increased to 500.
  • Improved: Averaging slider is consistent across frame rates.
  • Improved: Visibility of text in axes.
  • Improved: Full support for high-DPI screens in plot & waterfall.
  • Improved: Plot & waterfall performance.
  • Improved: Plot can be zoomed & resized while DSP is stopped.
  • Improved: FFT window setting is stored as a string.
  • Improved: Waterfall span setting is stored in milliseconds.
  • Improved: Added 6 dB attenuation to WAV file recordings to prevent clipping.
  • Improved: Use logarithmic scale for frequency zoom slider.
  • Improved: Reduced CPU utilization of demodulators.
  • Improved: Properly handle smooth scrolling.
  • Improved: Shorten band names to fit in narrow spaces.
  • Improved: Delay plot & waterfall drawing until samples arrive from hardware.
  • Changed: Frequency zoom slider zooms around center of display.
  • Changed: Disallow scrolling beyond the FFT frequency limits.
  • Changed: Default narrow FM deviation increased to 5 kHz.
  • Fixed: Time on waterfall is calculated correctly.
  • Fixed: Frequency is correctly rounded in I/Q filenames.
  • Fixed: Crash in AFSK1200 decoder.
  • Fixed: Hang when setting a very narrow filter width.
  • Fixed: Inconsistent 1-2-5 scaling of amplitude axis.
  • Removed: "Save waterfall" feature.
Assets 4
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