Here are details about a :
Space commemorative cover
or Space Cover.
Kosmodrom / Ort : Baikonur
Stempeldatum: 19 Fév. 1970
Ereignisart : Start
Startrampe / Ort : Russland Plessezk
Bemannte / Robotische Mission : Robotisch
Missionsziel/-typ : Telekommunikation
ou?/where?: au sol - ground
autographe?: non - noneBeschreibung : Molniya 1/13 was a first-generation Russian communications satellite orbited to test and perfect a system of radio communications and television broadcasting using earth satellites as active transponders and to experiment with the system in practical use.
During its apogee, Molniya 1/13 remained relatively stationary with respect to the earth below for nearly 8 of every 12 hr. By placing three or more Molniya 1 satellites in this type of orbit, spacing them suitably, and shifting their orbital planes relative to each other by 120 deg, a 24-hr/day communication system could be obtained. The satellite probably ceased transmitting in June 1971. Schlüsselwort/-wörter :
#Planet,
#Satellit,
#Telekommunikation, Ist AUSSERHALB der Weltraum-Revuen. Letzte Änderung: 01/08/2016 @ 23h19
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ba 225 | 30,- |
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Seite : future · Ref: ba 225 Weltraumereignis : MOLNIYA-1 #13 TO #17 (SATELLITE) · YEAR 1970 · MOLNIYA-M BLOK-ML
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