Archive for the ‘Astronomy & Space’ Category

 

Why are GPS satellites in medium orbit rather than geostationary?

Tuesday, July 21st, 2009
handhelds
zuestra99 asked:


Is there an advantage, other than probably cost, to having the GPS satellites at 12,000 miles rather than in geostationary orbit? Would it work either way?

 

How do GPS satellites stay in perfect position with out drifting out of position in time?

Tuesday, May 12th, 2009
handhelds
Peter D asked:


Seems that no matter how perfectly positioned these GPS satellites are they would drift out of position and that would throw off the computations of our GPS units in cars etc.

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