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).

Main features:

*** Many thanks to all helpers and beta tester! Good work! ***

download  stable Version 2.76a (March 17, 2018).

download  beta11  Version 2.80 (August 21, 2018).

Extensive Changelog written by Bjarne Mjelde.