HDSDR is a freeware Software Defined Radio (SDR) program for Microsoft Windows 2000/XP/Vista/7/8/8.1/10.
Typical applications are Radio listening, Ham Radio, SWL, Radio Astronomy, NDB-hunting and Spectrum analysis.
HDSDR (former WinradHD) is an advanced version of Winrad, written by Alberto di Bene (I2PHD).
Version 2.76 (February 02, 2017)
– switchable display mode: S-units / dBm
– switchable mode for S-meter: RMS / Peak
– enhanced accuracy of level indicators. New calibration required!
– periodic and explicit level logging into .CSV file
– switching AGC to off, sets manual gain value
– oversteering/clipping audio does now reduce gain value – not volume
– fixed OmniRig handling: “MuteOnTX”
– deactivate AFC after frequency/mode changes for a small duration
– Fast WAV file demodulation & recording
– some new keyboard shortcuts
– some other small improvements and fixes
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