[amsat-bb] Setting Doppler for SSB Satellites in Doppler.sqf

bernd1peters at gmail.com bernd1peters at gmail.com
Sun Jun 21 20:02:41 UTC 2020


And you move around the passband with your VFO, you don't change the .sqf
file.

73,
Bernd - KB7AK

-----Original Message-----
From: AMSAT-BB <amsat-bb-bounces at amsat.org> On Behalf Of Dave Webb KB1PVH
via AMSAT-BB
Sent: Sunday, June 21, 2020 12:36 PM
To: Brian Wilkins KO4AQF <bwilkins at gmail.com>
Cc: AMSAT BB <amsat-bb at amsat.org>
Subject: Re: [amsat-bb] Setting Doppler for SSB Satellites in Doppler.sqf

Brian,

 Typically the frequencies in the doppler.sqf are center of the passband.

Dave-KB1PVH


Sent from my Galaxy S9

On Sun, Jun 21, 2020, 3:28 PM Brian Wilkins KO4AQF via AMSAT-BB <
amsat-bb at amsat.org> wrote:

> For setting the uplink and downlink frequencies in doppler.sqf, do I 
> set it to one of the many frequencies starting with the AOS and the 
> software will adjust from there?
>
> For example, using ke0pbr frequency cheat sheet for XW-2F, if I wanted 
> to stay approx center, in Doppler.SQF, I would set the file to 
> 435330.0 for uplink LSB and downlink I would set it to 145990.0
>
> If on another pass I wanted to start somewhere else, I could set it to
> 435340.0 and 145980.0.
>
> In example 1, the software would adjust from 435330.0 to 435350.0 as 
> the satellite passes over me. (AOS to LOS).
> --
> Brian Wilkins
> KO4AQF
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