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satellite radio

(Encyclopedia)satellite radio: see digital radio. ...

data communications

(Encyclopedia)data communications, application of telecommunications technology to the problem of transmitting data, especially to, from, or between computers. In popular usage, it is said that data communications ...

Infrared Astronomical Satellite

(Encyclopedia)Infrared Astronomical Satellite: see infrared astronomy. ...

aerial and satellite photography

(Encyclopedia)aerial and satellite photography, technology and science of taking still or moving-picture photographs from a camera mounted on a balloon, airplane, satellite, rocket, or spacecraft. In the 19th cent....

code, in communications

(Encyclopedia)code, in communications, set of symbols and rules for their manipulation by which the symbols can be made to carry information. By this extended definition all written and spoken languages are codes. ...

modulation, in communications

(Encyclopedia)CE5 Modulation modulation, in communications, process in which some characteristic of a wave (the carrier wave) is made to vary in accordance with an information-bearing signal wave (the modulatin...

Comsat

(Encyclopedia)Comsat: see Communications Satellite Corporation; communications satellite. ...

Inmarsat

(Encyclopedia)Inmarsat: see Communications Satellite Corporation; communications satellite. ...

Intelsat

(Encyclopedia)Intelsat: see Communications Satellite Corporation; communications satellite. ...

Telstar

(Encyclopedia)Telstar: see communications satellite. ...