The Relay system
System design tradeoffs, spacecraft specifications, and orbit characteristics for Relay I satellite
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System design tradeoffs, spacecraft specifications, and orbit characteristics for Relay I satellite
Structure, power, communications, telemetry, tracking, and command for Relay I spacecraft
Telemetry, command, wideband communications transmitter, receiver, video, frequency-division multiplex telephone, and tracking and antenna systems for Relay I satellite test stations
Relay I test station low noise receiving and demodulation systems using wideband phase lock demodulator
In-orbit operational aspects of Relay I satellite and requirements for satellite command and for real time telemetry data reduction
Energetic particle environment of Relay I, damage due to proton exposure, and trapped radiation belts
Spatial dependence of intensities of geomagnetically trapped electrons and protons measured by Relay I spacecraft
Short circuit current measurements to determine radiation damage to solar cells on Relay I satellite
Narrowband experiments on Relay I to determine performance characteristics in orbit
Tests performed on Relay I satellite at Pleumeur-Bodou space communications ground station
Insertion gain, random noise, amplitude-frequency baseband, intelligible crosstalk, and teletype transmission experiments with Relay I at Raisting ground station
Communications and tracking facilities of Fucino ground station in Italy, and experiments conducted with Relay I satellite
Wideband receiving experiments performed with Relay I satellite at Kokusai Denshin Denwa space communication ground station
Results of tests performed with Relay I satellite at Goonhilly Downs space communications ground station
Electric contact for relay elements and microswitches in low level signal devices
Navigation experiment using Relay II satellite ranging measurements
Antenna design for multiple-beam, wide angle scanning phased array relay satellite system
Advanced planetary missions using direct and relay link data return modes