Communications Satellites: Hearings Before the Committee on Science and Astronautics, U.S. House of Representatives, Eighty-seventh Congress, First Session, 1-2. daļasU.S. Government Printing Office, 1961 - 908 lappuses |
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active allocations altitude American antenna application areas authority bandwidth basis booster BUSIGNIES cable CHAIRMAN circuits commercial Commission's committee common carriers communica Communications Act communications common carriers communications satellite system competition ComSat consideration Corp countries CRAVEN DINGMAN Docket earth earth terminals echo suppressors Electric ENGSTROM equipment establishment existing facilities factors Federal Communications Commission foreign frequency modulation FULTON Government ground stations industry interference international carriers international communications ionosphere joint venture KARTH launching license Mc/s ment microwave modulation munications NASA number of satellites operation orbit ownership PAIGE participation possible present problems proposed public interest radio Radio Regulations RCA Communications receiver regulation round-trip delay satellite communications system satellite relay sharing signal solar cells space communications space vehicles spectrum synchronous satellite technical telecommunications telegraph telemetry Telesat television terminals tion traffic transmission transmitter United voice channels worldwide