[amsat-bb] satpc32 driving SDR radio version 2.2 with Omnirig and the funcube dongle

Stephen E. Belter seb at wintek.com
Sat Aug 16 12:24:23 UTC 2014


I sent a document directly that should help you solve the SatPC32 configuration problems when using an SDR as your receiver.

73, Steve N9IP
Steve Belter, seb at wintek.com

On Aug 16, 2014, at 7:10 AM, Lizeth Norman <normanlizeth at gmail.com> wrote:

> Hi all!
> Haven't had this much fun crashing software since the bad old days of
> Windows 95! SDR console somehow managed to attempt to divide by zero, at
> least that's what the bug report said. Armageddon hasn't happened. It also
> has a bad habit reminiscent of the old days: memory doesn't get released
> when the program terminates. Makes a restart necessary.
> Within the limits of my laptop, the combination of satpc32 driving SDR
> radio version 2.2/omnirig software with the FCD is mostly working. I've
> taken a page from Tom, W9KE's book and convinced both pieces of software
> that they are or are talking to a Kenwood ts-2000, by linking them with
> Virtual Serial Port Manager (free for hams from K5FR).
> A few bugs/features: When the cat function of satpc32 is engaged, the
> frequency that is selected and sent to radio (the funcube dongle) is the tx
> freq of the satellite, not the rx freq. I did read the help file. Fiddling
> with the setting 4 in the DivOptions.sqf doesn't help. Another one is that
> SDR radio will only reproduce the correct audio all the time on vfo "b". I
> suspect that one or both can be worked around.
> Any ideas for a fix? I did play with adding /editing the cat file function
> from the front panel of satpc32. Didn't help.  Tried selecting the
> automatic tx/rx change. Even tried to fake out satpc32 with a fake radio 2.
> No success. Manually edited the doppler.sqf for one satellite. That works.
> I'd like to use this with my other radios. Any ideas how to maintain
> compatibility without making too much of a mess changing between one
> configuration and another?
> I'd like to drive one more layer, a data/cw demodulation software package
> via virtual audio cable.
> Thought Simon was joking when he stated the pc requirements. I've got a 2.2
> GHz core 2 duo with 2 gig of memory. This program sucks in the sides on the
> pc, then gets it to stumble and mumble at maximum sample rate. I doubt
> adding memory would help.
> Norm n3ykf
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