Gold Standard for Keplerian Data

23 Nov 2014


      I have noticed that when I update the Keplerian Data for my location on
SatPC32 and generate a list of passes they all seem to be about 5 minutes
different than the predictions from the AMSAT website. This is for the
earliest pass, and I am using the exact GPS coordinates for my location.
So which do I rely on? Which predictions should I consider the "gold
standard" for passes?
Steve, W5IEM

Steve May

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