HDSDR is a freeware Software Defined Radio (SDR) program for Microsoft Windows 2000/XP/Vista/7/8/10/11.

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 HDSDR v2.80 installer. (March 19, 2020)

download HDSDR v2.81 beta8 installer. (May 01, 2024).