Advanced Syncom. Volume 4 - System and subsystem performance requirements Summary report
Performance specifications and physical parameters of advanced synchronous communications /Syncom/ satellite system and subsystems
TRANSPONDER↗
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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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RELAY, SYNCOM 'COVER' UN GENERAL ASSEMBLY OPENING
Transmission of u.n. general assembly opening by relay i and syncom ii via television and radio
RELAY SATELLITE↗
The range and range rate system and data analysis for syncom 1 /1963 4a/
Range and range rate system and data analysis for syncom i satellite
RANGE AND RANGE RATE TRACKING↗
The equatorial ellipticity of the earth from two months of Syncom II drift over the Central Pacific
Use of tracking data from Syncom II satellite to define longitude-dependent gravity field of earth
GRAVITATIONAL FIELD↗
The equatorial ellipticity of the earth as seen from four months of Syncom II drift over the Western Pacific
Syncom-II satellite drift rate in equatorial orbit used to define longitudinal dependence of earth gravitational field
ORBITAL MOTION↗
NASA COMMUNICATIONS SATELLITE DEVELOPMENTS
Nasa program survey in the field of communications satellites is presented, discussing syncom, echo, and relay satellite research
RELAY SATELLITE↗
A determination of earth equatorial ellipticity from seven months of syncom 2 longitude drift.
Earth equatorial ellipticity measurements from longitude drift observations of stationary Syncom II satellite
EARTH SHAPE↗
The SYNCOM III launch
Syncom II launch by three stage thrust-augmented Delta vehicle configuration
DELTA LAUNCH VEHICLE↗
A hypothetical four-body problem and its applications - An estimate of the effect of the moon and the sun on the syncom orbit
Hypothetical four-body problem applied to estimate effects of moon and sun on Syncom orbit
SYNCOM SATELLITE↗
Earth station design at 12/14 GHz
The design of a 12/14 GHz wideband two-way ground station compatible with the CTS, PSCS, and SYNCOM 4 satellites is described. Efforts to find a suitable site location in the vicinity of the Denver Network Coordinating Center are related.
Source record↗
Observations of ionospheric electron content using a geostationary satellite.
Ionospheric electron density variation from Syncom III transmission
IONOSPHERIC ELECTRON DENSITY↗
Present and future communications satellite programs of nasa.
Nasa communications satellite programs discussing echo, relay, syncom and advanced technological satellites
COMMUNICATIONS SATELLITE↗
Advanced Syncom, volume 1 Summary report
Synchronous communications satellite configuration, instrumentation, handling and test equipment, and systems design
TEST EQUIPMENT↗
COMMUNICATIONS SATELLITES NEWS RELEASE
Communication satellites - echo i, echo ii, score, courier, telstar, relay and syncom
TELSTAR SATELLITE↗
NASA Compendium of Satellite Communications Programs
A comprehensive review is presented of worldwide communication programs that range in time from the inception of satellite communications to August 1971. The programs included are: Echo, Courier, West Ford, Telstar, Relay, Syncom, Lincoln experimental satellites, Intelsat, Tacsat, Skynet, Nato system, and Telesat.
Source record↗
Satellite communications at the Goddard Space Flight Center
Starting with the 1960 Delta launch of the first Echo satellite, NASA's Goddard Space Flight Center (GSFC) became one of the pioneers in satellite communications. Attention is given to the project Syncom, the Applications Technology Satellite (ATS) program, the ATS-6 project, and current GSFC efforts. After the decision announced in January of 1973 that NASA would phase out of communications satellite programs, the communications effort at GSFC concentrates on the operation of ATS spacecraft in orbit, experiments in the 12- to 14 GHz frequency band, and advanced communications research.
Clark, J. F.↗
Radio propagation study Semiannual progress report, 1 Jun. - 30 Nov. 1965
Ionospheric studies using radio signals received from SYNCOM 3, Polar Ionosphere Beacon, and 20 Mc/s satellites
RADIO SIGNAL↗
SYNCOM engineering report, volume I
Engineering report on synchronous communications /SYNCOM/ satellite, communications ground stations, telemetry, and control ground systems
CONTROL SYSTEM↗