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

the flag of USA
Cosmodrome / Location : USA

Date of Cancellation: Feb. 23, 1981
Event Type : Launch
Launch Pad / Location : USA KSC (FL)
Manned / Robotic Mission : Robotic
Mission Objective/Type : Telecommunications
 TELECOM 

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

Description : 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.

Keyword(s) :
#Satellite,
#Telecommunications,

This is OUTSIDE of a Space Revue.

Last modified: 05/28/2015 @ 10h42

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

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Space Event :

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

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