Coordinate Systems
Download a copy of Ed Preston's May 2006 presentation: "Coordinate Systems" (Download PDF File)
April 2006
Link of the Week 04/30/2006
Link of the Week 04/23/2006
Link of the Week 04/16/2006
Link of the Week 04/09/2006
Texas Star PartyThe Prude Ranch is 5000 ft high in the Davis Mountains of west Texas
Link of the Week 04/02/2006
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