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

the flag of USA
Cosmodromo / Luogo : USA

Data di annullo: 23 Fév. 1981
Tipo di Evento : Lancio
Rampa di Lancio / Luogo : USA KSC (FL)
Missione con Equipaggio / Robotica : Robotica
Obiettivo/Tipo Missione : Telecomunicazioni
 TELECOM 

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

Descrizione : 2 covers with Kennedy Space Center post stamps and Comstar D 4 satellite.
When two domestic communications satellites were launched into synchronous orbit during 1976, a new era in long distance calling began for the nation`s phone customers. Relaying calls back and forth across the country, the satellites, called Comstar, were used jointly by the American Telephone and Telegraph Company and GTE Satellite Corporation, a subsidiary of General Telephone and Electronics.
The first Comstar was launched 13 May 1976, and started commercial service in early July. Although its design life was 7 years, its operational lifetime was nearly 8 1/2 years. Comstar 2 was launched 22 July 1976, and provided 17 years of service from 76.6 degrees W longitude. The third Comstar was launched 29 June 1978, and began service in August. Comstar 3 completed nearly 8 1/2 years of service. Comstar 4, launched 21 February 1981, has completed 17 years of service from 75.4 degrees W longitude.

Parola chiave :
#Satellite,
#Telecomunicazioni,

Questo è FUORI dalle Riviste dello Spazio.

Ultima modifica: 28/05/2015 @ 10h42

Aggiunga al carrello VEDI ANCHE  EurUS $Yen
demandez la disponibilitépurchase this item USA 1492 L 11,-   13.20  1870 

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enveloppe USA 1492 L - cover USA 1492 L
USA 1492 L - picture enhanced ?

Pagina : future · Ref: USA 1492 L


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Avvenimento Spaziale :

COMSTAR D 4 · aka COMSTAR 1D, PARALLAX 1, ESIAFI 1 (SATELLITE) · ATLAS SLV3D

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