Here are details about a :
Space commemorative cover
or Space Cover.
Cosmódromo / Lugar : EE.UU.
Fecha de matasellos: 15 Mai 1978
Tipo de Evento : Lanzamiento
Plataforma / Lugar : EE. UU. Vandenberg SFB (CA)
Misión Tripulada / Robótica : Robótica
Objetivo/Tipo de Misión : Experimental / Ciencia
ou?/where?: au sol - ground
autographe?: non - noneDescripción : 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. Palabra(s) clave :
#Planeta,
#Satélite,
#Telecomunicaciones, Está FUERA de las Revistas del Espacio. Última modificación: 07/05/2015 @ 14h00
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USA 1136 | 8,- |
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Página : future · Ref: USA 1136 Evento Espacial : NAVSTAR 2 · aka NDS 2, GPS 2 (SATELLITE) · ATLAS F
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