Current GPS constellation
Posted: April 20, 2000
Animation depicts the GPS 2R satellite and the Global Positioning System orbital constellation.
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Flight Data File
Vehicle: Delta 2 (7925)
Payload: GPS 2R-4
Launch date: April 22, 2000
Launch window: 0305-0335 GMT (11:05-11:35 p.m. EDT on 21st)
Launch site: SLC-17A, Cape Canaveral, Fla.
Launch Preview - Our story gives a complete report on the upcoming launch.
Launch timeline - Chart with times and descriptions of events to occur during the launch.
Orbit trace - A map shows the launch track for the mission.
Delta 2 rocket - Overview of the Delta 2 7925-model rocket used to launch GPS satellites.
Global Positioning System - Description of the U.S. Air Force's space-based navigation network.
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