Communications Satellites: Hearings Before the Committee on Science and Astronautics, U.S. House of Representatives, Eighty-seventh Congress, First Session, May 8, 9, 10, and July 18, 1961, Volumes 1-2 |
From inside the book
Results 1-3 of 71
Page 513
... antenna gain increases as either antenna physical size or operating frequency is increased . If a directive antenna is used at either the transmitting or receiving terminal or both , the gain from this chart may be combined with the ...
... antenna gain increases as either antenna physical size or operating frequency is increased . If a directive antenna is used at either the transmitting or receiving terminal or both , the gain from this chart may be combined with the ...
Page 788
... antenna is replaced by a matched resistor of temperature T , then the resistor itself furnishes the same power to the receiver . We therefore define P / kB as the antenna temperature . If the radiating body does not surround the antenna ...
... antenna is replaced by a matched resistor of temperature T , then the resistor itself furnishes the same power to the receiver . We therefore define P / kB as the antenna temperature . If the radiating body does not surround the antenna ...
Page 905
... antennas at these sites have to track nonstationary satellites to minimum elevation in any direction , including directions to other antennas , the large antenna separations would make these multiterminal sites unduly difficult to ...
... antennas at these sites have to track nonstationary satellites to minimum elevation in any direction , including directions to other antennas , the large antenna separations would make these multiterminal sites unduly difficult to ...
Contents
The Growth of the Concept | 12 |
2What segments of the radio spectrum are required | 18 |
Exhibit AThe SCORE Satellite Radio Relay System | 25 |
Copyright | |
9 other sections not shown
Common terms and phrases
active ADVENT agencies altitude ANFUSO antenna antenna gain antitrust application areas bandwidth basis booster BUSIGNIES cable CCIR CHAIRMAN channels commercial committee common carriers communica Communications Act communications satellite system companies competition Corp countries CRAVEN DINGMAN docket earth terminal echo suppressors Electric ENGSTROM equipment established facilities Federal Communications Commission frequency allocations FULTON going Government ground stations industry interference international communications joint venture KARTH launching Mc/s megacycles ment microwave miles military munications MURROW NASA noise operation orbit ownership PAIGE participation passive satellite point-to-point possible present problems proposed public interest question radio receiver regulation research and development RYAN satel satellite communications system signal solar cells space communications Space Council space radiocommunication space vehicles spectrum statement synchronous satellite technical telecommunications Telegraph Telesat television THAMES tion traffic transmission transmitter United WEBB