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RE: Satellite tracking Theory



You could look at Spacetrack Report #3, ... then give up, ... you need much
more than ST3 to be able to go from Keps to a useable tracking program. A
much better starting point to recommend would be James Miller's PLAN13
notes, ... a much shorter document, with a lot more to use in it.

http://www.amsat.org/amsat/articles/g3ruh/111.txt

http://www.amsat.org/amsat/articles/g3ruh/111fig01.gif

http://www.amsat.org/amsat/articles/g3ruh/111fig02.gif

and lots of other articles on other bits:

http://www.amsat.org/amsat/articles/g3ruh/g3ruh-index.html

I wouldn't recommend anyone starting with ST3 util they understand PLAN13
first, ... ST3 won't allow you to point a rotator, or do a footprint on a
map, ... PLAN13 will.

Cheers
Paul, VP9MU

-----Original Message-----
From: laura halliday [mailto:marsgal42@hotmail.com]
Sent: Wednesday, January 03, 2001 12:47 PM
To: ljm@teleweb.pt; amsat-bb@AMSAT.Org
Subject: Re: [amsat-bb] Satellite tracking Theory


Luis Martins <ljm@teleweb.pt> wrote:

>(snip...)
>What I need to know is how to interpret those elements
>and understand how to calculate the satellite position
>at a certain time. If anyone can point me to a source
>of information on that I would be most greateful...

Folks have developed several orbital models, and you can
download a useful writeup (Project Spacetrack Report Number 3)
that tells all about them from
<http://www.celestrak.com/NORAD/documentation/>

Laura Halliday VE7LDH     "Que les nuages soient notre
Grid: CN89mg               pied a terre..."
                                   - Hospital/Shafte

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