GPS BI-05

Also called OPS 5117 or Navstar 5 or GPS 05

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General

Designation	11690 / 80011A
Launch date	9 Feb 1980
Country of origin	United States
Mission	Navigation
Perigee/Apogee	19807/20557 km
Inclination	65°
Period	718 min
Launch vehicle	Atlas F
Launch site	Vandenberg

Was equipped with corner-cube reflectors for satellite laser ranging (SLR). SLR tracking of the satellites permit onboard clock errors and satellite ephemeris errors in GPS tracking to be differentiated.

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End of life

Out of service

Nov 1983

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