Feasibility of a data relay satellite system.
Direct communication relay between orbiting spacecraft and ground stations based on network of synchronous altitude satellites
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Direct communication relay between orbiting spacecraft and ground stations based on network of synchronous altitude satellites
High resolution balloon-borne temperature sensor noting ground station and antenna
Dual very low frequency transmission for time synchronization of ground station clocks
Performance of synchronized time division multiple access system for satellite communication with ground stations
Environmental research satellite test design with transponder for range measurements at ground station
System of satellites, ground stations, and hardware of various user craft for transoceanic traffic control
Tracking and data acquisition system between spacecraft and ground station
Bar graph monitor of pulse position modulation telemetry ground station equipment for sounding rockets
Satellites and ground stations system providing transoceanic civil, air and marine traffic control in North Atlantic, discussing position determination, communication and navigation, etc
Image intensifiers and orthicons, plumbicons, vidicons as photoelectric devices in TV auroral observation from ground stations and jet aircraft
This invention relates to a system for use in a ground station radio communication receiver for improving the signal-to-noise ratio of weak signals received from distant spacecraft.
Lunar ranging ground station with Varian 620/i control computer
Closed loop radio communication ranging system to determine distance between moving airborne vehicle and fixed ground station
Unmanned spacecraft for earth resources survey, investigating ERTS payload, performance characteristics and ground station
Faraday rotation of radio beacon satellite signals during traveling ionospheric disturbances simulated for spaced ground stations
Equipment for testing of ground station ranging equipment and spacecraft transponders
Traffic control system for supersonic transports using synchronous satellite for data relay between vehicles and ground station
Development of method for synchronizing clocks at several ground stations based on signals received from spacecraft or satellites