Here are details about a :
Space commemorative cover
or Space Cover.
Cosmódromo / Lugar : EE.UU.
Fecha de matasellos: 20 Déc. 1972
Tipo de Evento : Lanzamiento
Plataforma / Lugar : EE. UU. KSC (FL)
Misión Tripulada / Robótica : Robótica
Objetivo/Tipo de Misión : Militar / Secreto
ou?/where?: au sol - ground
autographe?: non - noneDescripción : Canyon was the first series of NRO`s near geostationary ELINT/SIGINT satellites launched under the designation AFP-827 or Program 7500. They were focussed on communications intelligence (COMINT).
The satellites were primary built to intercept soviet communications transmissions, especially line-of-sight microwave links, but were also able to tap into very high frequency (VHF) communications. Main contractor was Lockheed. Reportedly they consisted of a large (ca. 10 m diameter) antenna and were three axis stabilized. They were deployed into a 24 h orbit, which is not geostationary, so that triangulations of emmiter sources can be made from different points.
Vandenberg post stamp and Midas satellite. Palabra(s) clave :
#Planeta,
#Satélite,
#Telecomunicaciones, Está FUERA de las Revistas del Espacio. Última modificación: 30/03/2015 @ 16h25
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