HDSDR VERSION 2.80 BETA RELEASED 
<https://www.rtl-sdr.com/hdsdr-version-2-80-beta-released/>
HDSDR is a popular general purpose multimode program for Windows that supports 
various SDRs including the RTL-SDR. Version 2.80 (beta) of HDSDR was released 
<http://www.hdsdr.de/> a few days ago and brings with it a few GUI and feature 
updates. An extensive description of the changes can be found in the change log 
<https://app.box.com/s/ot6ag861lbqhtapz1ns64qce3h43kd3a>, but briefly the 
changes are:

GUI buttons updated to a more modern and cleaner look
Improved friendliness to blind users during IQ recording playback
A better IQ file player with the ability to loop over a certain time frame
Improved snap to frequency option
Improved LO tuning with an "autochange LO if necessary" option
The ability to sort IQ recordings by date
Ham/broadcast band spectrum identifiers added
Ability to import the HFCC frequency list into the frequency manager

I hadn’t upgraded my copy of HDSDR until tonight, and haven’t played with this 
much—but I’m impressed. Low CPU drain, “auto local oscillator” follow function 
allows your SDR to simply tune without having to change the LO frequency, etc. 
Great stuff. 



73,

Les Rayburn, N1LF
121 Mayfair Park
Maylene, AL 35114
EM63nf

Member WTFDA, IRCA, NRC. Former CPC Chairman for NRC & IRCA. 

Elad FDM-S2 SDR, AirSpy SDR2, SDRPlay RSP-2 Pro, Sony XDR-F1HD [XDR Guy 
Modified], Dennon TU-1500RD, Sangean HDT-1X, Ray Dees RDS Decoders, Korner 9.2 
Antenna, FM-6 Antenna, Kitz Technologies KT-501 Pre-amps, Quantum Phaser, 
Wellbrook ALA1530 Loop, Wellbrook Flag, Clifton Labs Active Whip. 

“Nothing but blues and Elvis, and somebody else’s favorite song…” 


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