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Re: More Alon/Alat, WinOrbit, and Squint



I get the following in Nova for here North of Atlanta ...

5 Sept 2002
(UTC-4)  Squint Orbit
18:05:00 114.2° 851
18:10:00 133.1° 851
18:15:00 132.9° 851
18:20:00 125.4° 851
18:25:00 118.3° 851
18:30:00 112.6° 851
18:35:00 108.0° 851
18:40:00 104.2° 851
18:45:00 100.9° 851
18:50:00 098.1° 851
18:55:00 095.7° 851
<snip>
6 Sept 2002
09:35:00 024.6° 851


73's

Don Woodward
KD4APP
AMSAT 33535
kd4app@amsat.org
http://kd4app.webhop.org

----- Original Message -----
From: "Paul Yeager" <w4ski@arrl.net>
To: <amsat-bb@AMSAT.Org>
Sent: Wednesday, September 04, 2002 12:31
Subject: [amsat-bb] More Alon/Alat, WinOrbit, and Squint


Okay... I've cleared one hurdle... I discovered that I must restart
WinOrbit for it to read the A0-40.att file.  Now Alon/Alat are constantly
displayed at 45/2, but the displayed squint figure seems way high!

For example, for the pass that begins here in Western NC (EM85) around 2200
UTC on 09/05/02, the displayed squint ranges from 45 to 152 degrees!

I had heard that squint was getting worse, but has it really gotten THAT
bad?  I suspect that I have failed to fully set up WinORbit to properly
display squint for AO-40.  I certainly hope that is the case... as I doubt
I can work it at 45 degrees squint, let alone at 152!

Thanks in advance for your help!

73,
Paul W4SKI


>Date: Wed, 04 Sep 2002 12:09:57 -0400
>To: amsat-bb@amsat.org
>From: Paul Yeager <w4ski@arrl.net>
>Subject: Alon/Alat, WinOrbit, and Squint
>
>Help!
>
>I have been trying to get WinOrbit to display squint for AO-40.  I have
>created a AO-40.att file in the databases/sat directory, with an attitude
>section as follows (latest numbers from the AMSAT-DL page):
>
>[Attitude]
>Alat = 2
>Alon = 45
>
>I suspect that I have failed to do something correctly, or have missed
>something.  Running WinOrbit in simulation mode, Alon = 0 and Alat = 0
>when MA = 0 in the table window.
>
>Anyone out there have any ideas?
>
>Thanks in advance,
>Paul W4SKI


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