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Here are details about a :
Space commemorative cover
or Space Cover.

Kosmodrom / Ort : USA

Stempeldatum: 4 Août 1978
Ereignisart : Start
Startrampe / Ort : USA Vandenberg SFB (CA)
Bemannte / Robotische Mission : Robotisch
Missionsziel/-typ : Militärisch / Geheim

MIL

ou?/where?: au sol - ground
autographe?: non - none

Beschreibung : Satellite Data System (SDS) spacecraft are communication relay satellites for transmiting real-time data from US reconnaissance satellites (KH-11) in polar area. They are also used for communications to USAF air craft on polar routes and connect the various ground stations of the Air Force Satellite Control Network (AFSCN). The spacecraft relay the downlinked KH-11 data to a ground station at Fort Belvoir, Virginia.

Schlüsselwort/-wörter :
#Planet,
#Satellit,
#Telekommunikation,

Ist AUSSERHALB der Weltraum-Revuen.

Letzte Änderung: 08/05/2015 @ 15h25