[amsat-bb] Problem with SatPC32 Doppler Frequency Control

Stefan Wagener wageners at gmail.com
Tue Jan 7 17:50:45 UTC 2020


Did you enter the frequencies in your doppler.sqf file? Please read the
manual. It explains exactly what you need to do.

73, Stefan VE4SW

On Tue, Jan 7, 2020 at 11:46 AM Bernie and Cheryl via AMSAT-BB <
amsat-bb at amsat.org> wrote:

> Dear Folks:
>
> I can't get Doppler correction to work on my SatPC32 program /for most
> of the satellites./  Let me be clear that, for SO-50, my Doppler
> frequency correction works just fine.  That tells me that the hardware,
> and some of the software, is set up properly.
>
> Here's the difference that I see.  On the top of the SatPC32 screen,
> there is a section that shows "Downlink" and "Uplink" frequencies, right
> next to the portion where the pushbuttons exist to shift frequencies by
> 20khz, etc.  When I bring up SO-50 on SatPC32, the box below the
> "Downlink" and "Uplink" sections is populated with the actual
> frequencies, and they change during the course of a pass.  On the other
> satellites, that box is a complete blank.  What do I need to do to get
> the data to populate in that box, since I suspect that's what needs to
> happen in order for Doppler correction to occur?
>
> Thanks and 73 de Bernie, KF0QS
>
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