COMMUNICATIONS SATELLITES NEWS RELEASE
Communication satellites - echo i, echo ii, score, courier, telstar, relay and syncom
TELSTAR SATELLITE↗
SEARCH · Engineering Papers
Results for “Relays”
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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NASA COMMUNICATIONS SATELLITE DEVELOPMENTS
Nasa program survey in the field of communications satellites is presented, discussing syncom, echo, and relay satellite research
RELAY SATELLITE↗
Communications satellite technology
Communications satellite technology - echo, relay, and syncom projects
ECHO PROJECT↗
Thermal gradient spacecraft vacuum chamber tests.
Flight temperature simulation in spacecraft vacuum chamber test used for relay communications satellite
RELAY SATELLITE↗
Solar simulation for thermal vacuum testing.
Solar simulation compared to thermal gradient vacuum testing, based on relay communications satellite data
TEMPERATURE GRADIENT↗
An up-converter/down-converter method of data transmission
Very high frequency-to-microwave converter relay link for transmitting telemetry data
MICROWAVE TRANSMISSION↗
A survey of inner zone protons
Survey of trapped radiation in magnetosphere interior by Relay I satellite
RELAY I SATELLITE↗
Redistribution of trapped protons during a magnetic storm.
Redistribution of high-energy geomagnetically trapped protons during magnetic storm obtained with aid of scintillation detector aboard Relay I satellite
GEOMAGNETICALLY TRAPPED PARTICLE↗
Spacecraft performance
Performance of Relay I satellite in orbit compared to results of prelaunch testing
SPACECRAFT PERFORMANCE↗
The microwave repeater
Feasibility of microwave communications via active spacecraft microwave repeater tested in connection with Relay I spacecraft program
RELAY I SATELLITE↗
The Telemetry System
Design and operation of signal conditioner, telemetry encoder and transmitter, and antenna for Relay I telemetry system
RELAY I SATELLITE↗
The command system
Ground commands and internal logic functions for Relay I satellite command system
COMMAND SYSTEM↗
The spacecraft power supply system
Solar-array, storage battery power supply system for Relay I spacecraft
STORAGE BATTERY↗
Spacecraft environmental testing
Physical testing of Relay I satellite to approximate environment and stress during handling, launch, and orbital flight
RELAY I SATELLITE↗
Ground support equipment
Telemetry and command checkout equipment, environmental simulation facilities, and ground support handling fixtures for Relay I satellite
RELAY I SATELLITE↗
Systems integration
Qualifications testing of basic design and acceptance testing of workmanship for Relay I satellite - systems integration
RELAY I SATELLITE↗
Reliability program
Component part and system reliability program for Relay I satellite with redundancy incorporated at all levels of development
SYSTEMS ANALYSIS↗
Spurious signals in satellite command systems
Problems encountered in operation of Relay I satellite generalized to spurious signals in satellite command systems - Error probabilities for command failures and spurious commands
SIGNAL RECEPTION↗