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Re: How often do I need to update Keps for STSORBITPLUS?



On Thu, 13 Apr 2000, Frank Grossman wrote:

> I make most of my satellite contacts on the "FM birds" using a five watt HT 
> and 19 in. "rat tail," with tracking information from STSPLUS.  Under these 
> conditions how often do I need to download updated kep files for adequate 
> orbital predictions?

Once every few months.
We do it once a month and the errors are well under a minute.  Usually
only a handful of seconds different..  For non maneuvering birds.

US Naval Academy Satellite Ground station

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