The first of the active communications satellites (i.e. both receiving and retransmitting signals, not merely reflecting signals from the earth). It was launched by the US in 1962 and used in the transmission of television broadcasting and telephone communication.
Definition of Telstar in US English:
Telstar
proper nounˈtelstär
The first of the active communications satellites (i.e. both receiving and retransmitting signals, not merely reflecting signals from the earth). It was launched by the US in 1962 and used in the transmission of television broadcasting and telephone communication.