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Dennis Donovan

(18,770 posts)
Sat Apr 6, 2019, 06:34 AM Apr 2019

54 Years Ago Today; Intelsat-1 "Early Bird" First comm satellite in geosynchronous orbit

https://en.wikipedia.org/wiki/Intelsat_I



Intelsat I (nicknamed Early Bird for the proverb "The early bird catches the worm" ) was the first commercial communications satellite to be placed in geosynchronous orbit, on April 6, 1965. It was built by the Space and Communications Group of Hughes Aircraft Company (later Hughes Space and Communications Company, and now Boeing Satellite Systems) for COMSAT, which activated it on June 28. It was based on the satellite that Hughes had built for NASA to demonstrate that communications via synchronous-orbit satellite were feasible. Its booster was a Thrust Augmented Delta (Delta D). After a series of maneuvers, it reached its geosynchronous orbital position over the Atlantic Ocean at 28° west longitude, where it was put into service.

It helped provide the first live TV coverage of a spacecraft splashdown, that of Gemini 6 in December 1965. Originally slated to operate for 18 months, Early Bird was in active service for 4 years, being deactivated in January 1969, although it was briefly activated in June of that year to serve the Apollo 11 flight when the Atlantic Intelsat satellite failed. It was deactivated again in August 1969 and has been inactive since that time (except for a brief reactivation in 1990 to commemorate its 25th launch anniversary) , although it remains in orbit.

The Early Bird satellite was the first to provide direct and nearly instantaneous contact between Europe and North America, handling television, telephone, and telefacsimile transmissions. It was fairly small, measuring nearly 76 × 61 cm (2.5 × 2.0 feet) and weighing 34.5 kg (76 pounds) .

Early Bird was one of the satellites used in the then record-breaking broadcast of Our World.

</snip>


Of course, Intelsat-1 and the Our World broadcast brought us this:



(note: the full original broadcast was promised to be released by the Beatles a few yrs ago, but has yet to materialize)
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54 Years Ago Today; Intelsat-1 "Early Bird" First comm satellite in geosynchronous orbit (Original Post) Dennis Donovan Apr 2019 OP
K&R Sherman A1 Apr 2019 #1
I so remember that broadcast in the summer of '67 rurallib Apr 2019 #2
Great post! roscoeroscoe Apr 2019 #3

rurallib

(62,448 posts)
2. I so remember that broadcast in the summer of '67
Sat Apr 6, 2019, 07:15 AM
Apr 2019

It was a big, big deal. Live TV pictures from around the world! What next? It boggled the brain.

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