2010年7月8日 · 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.

For controlling / using a receiver directly from HDSDR you need to install the receiver's ExtIO DLL. Visit your receiver's website (see below!) and get the appropriate DLL file archive (32Bit [x86] only).

HDSDR works with WINE and soundcard or IP based SDR receivers. Q: Does HDSDR get support for digital modes like DRM, DMR, PSK and so on? A: No. Currently there are no plans to include any digital modes.

How to use DVB-T/DAB RTL2832 based USB receiver with HDSDR Hardware requirements: - DVB-T/DAB USB dongle with Realtek RTL2832 chipset (sometimes badly named as RTL2838) - PC with Dual Core CPU, Soundcard, one free USB port (USB2 and up required!) Software requirements: - Microsoft Windows XP or newer, latest Service Pack required!!!

- fixed writes access in hdsdr directory (for some ExtIO DLLs) - independent RBW and Zoom also for AF (lower) spectrum and waterfall - removed privilege option (WOLA processing).

Receiving FM Radio broadcast with HDSDR and RTL2832 bases DVB-T receiver under Windows8 64bit. Receiving the whole 10m band with HDSDR and Perseus under Windows8 64bit. HDSDR Recording Scheduler.

Start/Stop HDSDR: F2: Minimize HDSDR: F3: Exit HDSDR: F4: Exit HDSDR without saving settings: Ctrl + F4: Open sound card selection dialog: F5: Open sampling rate dialog: F6 : Open Options menu: F7: Open 'RF frond-end frequency options' F7 + R: Open 'Calibration Panel' F7 + C: Open 'Recording Settings and Scheduler' F7 + E: Open 'DDE to HDSDR ...

Software defined radios supported by HDSDR version 2.0 and above may be frequency controlled via DDE., Dynamic Data Exchange. It is used to share information between different software programs.

Using Elecraft KX3 with HDSDR Hardware requirements: - Elecraft KX3 - KXUSB cable (or KXSER) - 2.5mm stereo male to 3.5mm stereo male cable - PC with 1GHz CPU, WindowsXP or newer, Stereo Soundcard with "Line-In Jack" Software requirements: - FTDI VCP driver for KXUSB cable: http://www.ftdichip.com/Drivers/VCP.htm

HDSDR. H igh D efinition S oftware D efined R adio. HDSDR