Re: [Discuss-gnuradio] ham drm

[Robert W McGwier]

Here is my understanding of that situation.  He wrote it in Qt3.  There 
is no Qt3 GPL license FOR WINBLOWS.  He released the source code and 
when Trolltech objected, he removed it.

Bob



Charles Swiger wrote:
> Just curious if anyone knows anything about this situation - there is a
> gnu licensed project on sourceforge called DReaM. A fellow named Cesco,
> HB9TLK, created a ham radio version called WinDRM
> ( http://n1su.com/windrm/docs/1.1/ ) derived, so they say, from DReaM,
> but at far as I can tell, there is no source code available! Just
> running 'strings' on windrm.exe you can find fftw 2.1.5.
>
>
> Anyway, thought this was interesting - a baudline spectrum of
> off-the-air HamPAL (DRM) picture swapping session:
>
> http://webpages.charter.net/cswiger/hampal_ofdm.jpg
>
> you can just make out the spectrum bands shown in Robustness mode E /
> Spectrum occupancy 0 as described here:
>
>
> http://www.qslnet.de/member/hb9tlk/drm_h.html
>
> particularly the frequency pilots.
>
> --Chuck
>
>
>
>
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--
Robert W. McGwier, Ph.D.
Center for Communications Research
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