[hpsdr] working with ghpsdr3

[Ken N9VV]

There is a nice online display of those stations that are sharing their 
receivers using ghpsdr3-alex: http://qtradio.napan.ca/qtradio/qtradio.pl

and there are comprehensive build instructions for QtRadio (ghpsdr)
here: http://napan.ca/ghpsdr3/index.php/QtRadio_Installation
(if you are using Ubuntu you can cut and paste the sudo commands).

GL de Ken N9VV

On 11/9/2012 9:04 PM, Dave Larsen wrote:
> ***** High Performance Software Defined Radio Discussion List *****
>
> Dave --
>
> What version of Linux are you using?
> John used a Ubuntu for development
> I have also copiled the code under Mint (An Ubuntu variant) with little trouble.
>
> John Melton G0ORX/N6LYT is the originator.
>
> he wrote ghpsdr as a first attempt of a single receiver using GTK2 as the gui.
>
> ghpsdr3 is an Is John's code with server and dspserver in C and
> QTRadio written in Qt4
> this is a version that allowed multiple receiver and server, dspserver
> and Qt radio can be on the same machine or on different machines as
> the connections are all ethernet.
>
>
> There is a ghpsdr3-Qt which is a version written all in C++ with Qt4
> with only FFTW3 as the only external dependence.
>
> These three programs can be found under N6LYT on the HPSDR SVN
> http://svn.tapr.org
>
>
>
> Also for Linux you should consider Hermans cuSDR code which is in Qt.
> found under DL3HVH
>
> http://www.tapr.org
>
>
> gpsdr3-alex is a fork of the ghpsdr3 code by Alex Lee, and others,
> this group started from John's code and they had a different purpose
> to develop a software that would work with  HPSDR, Softrock, UHFSDR,
> Microtelecom Perseus, SDR-iq, HiQSDR, Ettus Research USRP and rtl-sdr
> DVB-T dongles.
>
> when you run the server you can make is available to anyone on the
> Internet around the world.  Also you can let anyone around the world
> transmit but of course all radio laws still apply so someone in the
> transmit must be licensed.  Generally the TX capability is password
> protected.
>
> So if you want to make your radio available to others or your self at
> different location this is the best choice for this purpose.
>
> ghpsdr3-alex can be found on Git server github
>
>   https://github.com/alexlee188/ghpsdr3-alex
>
>
> the message protocols vary between many of these programs, so while
> they all stem from the same source they generally have not maintained
> cross program compatibility.
>
>
> I hope this helps.
>
> Dave KV0S
>
>
>
> On Fri, Nov 9, 2012 at 3:14 PM, David Bridgham <dab at froghouse.org> wrote:
>> ***** High Performance Software Defined Radio Discussion List *****
>>
>> I am pleased to report that I finally put all the pieces together to get
>> my HPSDR (Metis and Mercury) working. Since I run Linux, I picked up
>> ghpsdr for the software side of things. The binaries didn't work but
>> given a little work with the sources of ghpsdr3, I am now able to listen
>> to radio. Very cool.
>>
>> The work I did on ghpsdr3 was to fix three bugs having to do with
>> command line argument parsing (segfaults all) and turning off compiler
>> optimization to avoid an illegal instruction. I haven't tracked down
>> that last one yet so I don't know if it's a bug in gcc or a problem
>> that's simply exposed by the optimizer (it's an annoying one, I turned
>> off optimization because gdb couldn’t show me the code that was failing
>> because it was optimized and then the problem went away).
>>
>> So my first question is: what should I do with these fixes? They're
>> simple enough but it seems I ought to get them back into the
>> distribution somehow.
>>
>> The larger question is what code *should* I pay attention to? I've found
>> at least three versions of ghpsdr (ghpsdr, ghpsdr3, and ghpsdr-alex).
>> Maybe there are other choices for Linux that would be better. What I'd
>> like to work towards is digital modes (either hooking to fldigi or
>> implementing my own) and transverters for satellite work (some ideas for
>> UI stuff and hooking into gpredict for doppler tracking).
>>
>> -Dave
>>
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>
>
>

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