[amsat-bb] SatPC32 CAT control and HDSDR via VSPE

[Norm n3ykf]

My question is where to enable it by default. The setting is not persistent.


On Sun, Jan 31, 2016 at 2:33 AM, Erich Eichmann
<erich.eichmann at t-online.de> wrote:
> Hi Tom,
> with FM sats the SatPC32 control "V" ( for "VFO") goes to "V-". Click it to
> "V+", then all tuning functions work like they do with SSB sats. When you
> tune HDSDR SatPC32 will follow and vice versa.
> FM sats work in fix channels, therefore the program disables the VFO feature
> by default.
>
> 73s, Erich, DK1TB
>
>
> Am 31.01.2016 um 06:55 schrieb Tom Schuessler:
>>
>> Hello all,
>>
>> Not having a good satellite capable radio (Yet) but wanting to dabble
>> deeper
>> in to our world of satellite communications, I have been experimenting
>> with
>> CAT control of the SDR program HDSDR via the CAT interface from SatPC32
>> through the Virtual Serial Port Emulator (VSPE).  VSPE has an option to
>> create a serial port "Pair" of ports.  In this case, you have to assign
>> one
>> port of the pair to SatPC32 and in HDSDR's CAT to HDSDR options, you match
>> the baud rate in HDSDR and SatPC32 but assign the other half of the pair.
>> Cool thing is it allows HDSDR tuning to affect the frequency listed in
>> it's
>> downlink window while continue to track Doppler shift adjustments provided
>> from SatPC32.  This is pretty cool.
>>
>> Well I have an interesting question which may relate as much to the way
>> SatPC32's CAT control window works as much as it relates to this Virtual
>> serial port thing.  The above mentioned ability to tune SatPC323 from
>> HDSDR
>> works wonderfully on Linear transponder (LSB/USB) modes but not the same
>> on
>> FM modes like Lilacsat-2, SO-50 and AO-85.  In these cases, shifting the
>> frequency on HDSDR does NOT change the SatPC32 display and in a few
>> seconds,
>> HDSDR snaps back to the CAT controlled frequency.  Now the difference of
>> course in SatPC32 CAT adjustment window is the inability to shift and
>> store
>> the changes  in frequency, or even just shift them in FM mode like one can
>> do with Linear sat frequencies.
>>
>> Am I missing something here or is this just a built in feature of SatPC323
>> that I will need to work around by providing more appropriate Doppler.SQF
>> setups that work for me as opposed to somebody else?
>>
>> Anybody who has played with this please drop me a note or share your
>> experiences via the list so more people can lear.
>>
>> Thanks,
>>
>>
>> Tom Schuessler
>> 2713 Lake Gardens Drive
>> Irving, Texas  75060
>> 972-986-7456
>> 214-403-1464 (Cell)
>> n5hyp at arrl.net
>>
>>
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>
> _______________________________________________
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> expressed
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