Here are details about a :
Space commemorative cover
or Space Cover.
Cosmodrome / Location : USA
Date of Cancellation: May 15, 1978
Event Type : Launch
Launch Pad / Location : USA Vandenberg SFB (CA)
Manned / Robotic Mission : Robotic
Mission Objective/Type : Experimental / Science
ou?/where?: au sol - ground
autographe?: non - noneDescription : Vandenberg post stamp and Navstar 2 satellite.
Global Positioning System (GPS) was developed by the US Department of Defense to provide all-weather round-the-clock navigation capabilities for military ground, sea, and air forces. Since its implementation, GPS has also become an integral asset in numerous civilian applications and industries around the globe, including recreational used (e.g., boating, aircraft, hiking), corporate vehicle fleet tracking, and surveying. GPS employs 24 spacecraft in 20,200 km circular orbits inclined at 55 degrees. These vehicles are placed in 6 orbit planes with four operational satellites in each plane.
The first eleven spacecraft (GPS Block 1) were used to demonstrate the feasibility of the GPS system. Keyword(s) :
#Planet,
#Satellite,
#Telecommunications, This is OUTSIDE of a Space Revue. Last modified: 05/07/2015 @ 14h00
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Page : future · Ref: USA 1136 Space Event : NAVSTAR 2 · aka NDS 2, GPS 2 (SATELLITE) · ATLAS F
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