- one of an early series of privately financed, low-orbit, active communications satellites, the first of which was launched July 10, 1962.
- one of a later series of privately financed, geosynchronous communications satellites that provide domestic television, telephone, and data exchange transmission to the U.S.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for telstar
After about a hundred hours of use in Telstar One, it failed.
They gave me a full-size Telstar satellite for my lab, and I went to work.
"When Telstar One packed up, they sent me down the whole gate from that sector," I said.
Fancy electronic equipment consists of millions of parts, and Telstar is no exception.
I used a little more blast and let a couple minutes go by while I drifted closer to the Telstar.
- either of two low-altitude active communications satellites launched in 1962 and 1963 by the US and used in the transmission of television programmes, telephone messages, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012