[amsat-bb] SATPC32 Question

Koos van den Hout koos at kzdoos.xs4all.nl
Wed Aug 27 07:27:10 UTC 2014

Quoting wa7eth at frontier.com who wrote on Wed 2014-08-27 at 00:15:

> I am having difficulty with SATPC32 tracking the ISS accurately.  All other satellites appear to track OK but the ISS is way off compared to several web based tracking sites.  I would appreciate any tips on how to troubleshoot this problem.  Please respond off the AMSAT-BB to WA7ETH at frontier.com

Have you updated your TLEs recently? I noticed a few times predictions of
ISS can be way off in gpredict/amsatdroid and it was always fixed when I
updated the TLEs.

My theory is that this is due to the corrections the ISS makes to stay at
the right height and avoid space debris which makes it less predictable
than amateur satellites that just stay in orbit and can't correct their
course. I am open to corrections on this theory.

                                            Koos van den Hout

Koos van den Hout,           PGP keyid DSS/1024 0xF0D7C263 via keyservers
koos at kzdoos.xs4all.nl
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