Title: Satellite communications

Essay Details

Subject: Technology
Author: Gertrude C
Date: December 10, 2015
Level: University
Grade: A
Length: 6 / 1745
No of views: 0
Essay rating: good 0, average 0, bad 0 (total score: 0)

Essay text:

Pierce of Bell Telephone Laboratories (Whalen, n.d.). In a 1954 speech and 1955 article, Pierce described the usefulness of a communications "mirror" in space, a medium-orbit "repeater" and a 24-hour-orbit "repeater." In comparing the communications capacity of a satellite, which he estimated the capacity at 1,000 simultaneous telephone calls, and the capacity of the first trans-atlantic telephone cable, which could carry 36 simultaneous telephone calls at a cost of 30-50 million dollars, Pierce wondered if a satellite would be worth a billion dollars (Whalen, n...

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By 1964, two TELSTARs, two RELAYs, and two SYNCOMs had operated successfully in space. The transponder technology used by AT&T in the TELSTAR I satellite is current technology in use today (Whalen, n.d.). On April 6, 1965, a new company called COMSAT launched its first satellite, EARLY BIRD, from Cape Canaveral beginning Global satellite communications...

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