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NGA/IGS GPS Orbit (Ephemeris) Comparison Page



The following NGA/IGS Orbit Ephemeris Comparison files are in (Microsoft) Excel (*.xls) Format.


2012 NGA/IGS Compares: 2014 Compares thru GPS Week 1801 (with added info and graphs)

2012 NGA/IGS Compares: 2013 Compares

2012 NGA/IGS Compares: 2012 Compares

2011 NGA/IGS Compares: 2011 Compares

2010 NGA/IGS Compares: 2010 Compares

2009 NGA/IGS Compares: 2009 Compares

2008 NGA/IGS Compares: 2008 Compares

2007 NGA/IGS Compares: 2007 Compares

2006 NGA/IGS Compares: 2006 Compares

2005 NGA/IGS Compares: 2005 Compares

2004 NGA/IGS Compares: 2004 Compares

2003 NGA/IGS Compares: 2003 Compares

2002 NGA/IGS Compares: 2002 Compares

2001 NGA/IGS Compares: 2001 Compares


Point of Contact: GPS Division
Phone Numbers:
  Com. (314)676-9140
  DSN 846-9140

Document last modified Friday, 22-Aug-2014 10:47:48 EDT