RELAY I

Satellite Communications Glossary

Satellite Communications — Relay I

 

 

 

 

 

 

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Information on Relay I

Relay I was an early satellite communications system. Relay I was launched by NASA on 13 December 1962 into an orbit between 1 310 km and 7 360 km with 47.5 degree inclination. Relay was a 78-kg, one-way repeater designed to demonstrate that a satellite could provide wide-band, multi-channel FM voice communication. Relay remained in orbit for over a year with a 14-MHz bandwidth transponder using an uplink frequency of 1.725 GHz, a downlink frequency of 4.170 GHz and an output power of 10W.


Other topics in our resources on Satellite Communications related to Relay I include: 
 
  • Satellite Receiver
  • SCORE
  • Satellite system
  • Communications Moon Relay I (CMR)
  • Sputnik
  • Explorer I
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  • Arab Satellite Communications Organisation (ARABSAT)
  • Syncom
  • Asia Cellular Satellite (ACeS)
  • Orbcomm
  • Ellipso
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  • Telstar
  • Courier
  • Echo
  • Comsat
  • Relay I
  • Intelsat

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