Significant Achievements in Space Communications and Navigation, 1958-64

active satellite altitude Andover antenna balloon baseband Bell System Bell System Tech broadcast satellite CCIR Commercial Communica Communication Systems Communications Satellite Corp Communications Satellite Program communications satellite systems Conf Conference Digest Delay and Echo demonstrated developed Earth Satellites Echo II echo suppressors Electronics Envelope delay distortion equatorial bulge Europe experimental experiments feasible Figure Final Rept frequencies geostationary orbit gravity gradient ground stations inflation Inst Intern Japan July lite microwave modulation Multiple Access munication Satellites NASA NASA Communications Satellite NASA's nication noise operational orbit of Syncom Paper presented passive satellite picowatts Poldhu Programme and Conference Project Telstar radiation Radio Rand Corp real-time Sept signal solar cells Space Communications spacecraft stabilization Stanford Res Symp synchronous orbit Synchronous Satellite Syncom satellites Technical Problems Associated techniques Telecommunications telephone television Telstar tests tions Satellite tracking traffic transmission transmitted United USNS Kingsport West Ford wideband