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Re: Accuracy of tracking programs



John-

You didn't mention whether your problem manifested itself with the ISS as
well as the LEOs.  If it does, try comparing each against a visual sighting.

Bryant, W2RGG AMSAT 25030
----- Original Message -----
From: "John Wright" <g4dmf@AMSAT.Org>
To: <amsat-bb@AMSAT.Org>
Sent: Thursday, June 07, 2001 3:31 PM
Subject: [amsat-bb] Accuracy of tracking programs


> I have 2 computers in my shack,that are networked. Both are mid to high
> range pentiums.
> On my main PC, ( this one ) I run LogSat 5.2 on my other PC I run Nova. I
> have two programs,
> because each is better at one or another thing.
>
> LogSat is great for forward predictions,and is prettier, but I never did
> get it to drive my KCT card.
> Nova is not so good at forward predictions, not so easy to use, but drives
> the KCT great.
>
> Now here is the point, Nova consistently puts LEO satellites about 1
minute
> in front of LogSat,
> this makes no real difference to the high orbit satellites, but *is*
> significant on LEO's
>
> My station location data is identical on each machine, I used the same set
> of KEP's on each machine.
> I tried both tracking algorithms on Nova, ( no choice on LogSat )
>
> I have both programs on both machines, and the results are the same
> whichever machine I run each on.
> My main machine is Internet atomic clock locked, using Tardis 2000, and
the
> other machine is locked to
> the main machine via network broadcast, using K9 part of Tardis.
>
> So here's the question... Which one is correct?
>
> Perhaps a few other tracking software programs could be tried, and a
> 'majority vote'  decision be made
>
> John
>
> ____________________________
>
>       G4DMF  QTHR   IO93HA
>       Amsat-UK Member 5372
>           g4dmf@amsat.org
>       http://www.g4dmf.co.uk
> ____________________________
>
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