[hpsdr] Expert Electronics of Russia (SunSDR2) in violation of the GPL

[Gene Fender]

I have downloaded the ExpertSDR software used with Expert Electronics 
SunSDR2 transceiver that was shown at the Friedrichshafen, Germany 
Hamfest.   It appears that Expert Electronics is distributing the binary code only for their ExpertSDR software in violation of the software 
GPL.  ExpertSDR uses DttSP and FFTW code in their application as shown 
by the use of the files DttSP.dll and libfftw3f-3.dll which are 
distributed with their application.  Both DttSP and FFTW are GPL (not 
LGPL) open source applications which require the source code of the 
application to be made available if they distribute binary versions of 
their application.  Expert Electronics has not made the source code 
available to ExpertSDR.

You can verify this for yourself by downloading their software installer from
http://sunsdr.com/en/downloads/soft.html

The DttSP license terms can be found at https://www.cgran.org/wiki/DttSP

The FFTW license terms can be found at http://www.fftw.org/

Both are GPL.

Gene
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