Re: greetings from KA9Q

From: Robin Wier (
Date: Thu Feb 07 2008 - 06:32:08 UTC

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    ----- Original Message ----- 
    From: "Phil Karn" <>
    To: <>
    Sent: Wednesday, February 06, 2008 6:15 PM
    Subject: greetings from KA9Q
    > Hello all, I've known about (and admired) your group for some time, and 
    > the
    > recent NYT article spurred me to get involved.
    > I'm an old timer. I've been involved with satellites mainly through AMSAT 
    > since
    > 1980. In 1982-83 I wrote a software package for orbit prediction and
    > determination. I used it to determine the orbits of AMSAT-OSCAR-10 and
    > AMSAT-OSCAR-13 after their kick motor firings. AO-10 was in 1983 and AO-13 
    > in
    > 1988 so that's been a while!
    > I can't remember if I gave my software to anyone in this group. So I'm 
    > wondering
    > if I did, and if so whether any part of it is still being used to produce 
    > your
    > element sets. That would be cool.
    > I wrote it to accept radio range and range-rate observations, but it was
    > structured to easily accept the alt/az angles that optical observations 
    > produce.
    > Some time ago I got a Meade LX-200 and wrote software to drive it to 
    > follow an
    > element set. I meant to go on and add the ability to tweak the tracking to
    > follow the satellite's actual position and refine the orbit, but that 
    > project
    > went on the back burner with many others. I figure by now this capability 
    > is
    > probably old hat and everybody has it. Is that the case?
    > --Phil
    > -------------------------------------------------------------------------
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    I believe I first became aware of this site/program about 1998.
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