Echo 1

Also called Echo 1A because the first Echo had a launch failure

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General

Designation	00049 / 60009A
Launch date	12 Aug 1960
Country of origin	United States
Mission	Telecommunications and geodesy
Perigee/Apogee	966/2157 km
Inclination	47.3°
Period	117.3 min
Launch vehicle	Thor Delta #2
Mass at launch	61 kg

Plastic 30.5 m ball covered of mylar aluminumed that reflected radioelectric signals. Communications through it suffered from a 180 decibel loss in signal strength.

It enabled the first satellite telephone link and the broadcast of a TV program from California to Massachussets on 24 Feb 1962.

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End of life

Decay

24 May 1968

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External resources

sat-index articles

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