Telstar is launched as the first "active" communications satellite—active as in amplifying and retransmitting incoming signals, rather than passively bouncing them back to Earth.

这颗卫星上装有无线电收发设备和电源，可对信号接收、处理、放大后再发射，从而大大提高了通信质量。

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In 1962, Telstar, the first television telecommunications satellite was launched from Cape Canaveral, making possible the first relaying of television programs across the Atlantic.

CNN: Thursday,

It was fifty years since the first live pictures from America were broadcast to Europe, via Telstar 1, the first communications satellite to relay a television signal.

FORBES: Telstar, the Fifty Year Old Hero of Communication