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An Operational 960-Mc Maser System for Deep-Space Tracking Missions

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2 Author(s)
T. Sato ; Jet Propulsion Laboratory, California Institute of Technology, Pasadena, Calif. ; C. T. Stelzried

An operational 960-Mc low-noise receiving system for use in deep-space tracking missions is described. A ruby-cavity maser, low-noise antenna, low-loss transmission line connecting the antenna to the maser and associated instrumentation all combine to yield reliable and low-noise performance. Results of tests on this system in preparation for the Ranger RA-3 lunar probe are presented. The system was successfully used during operations with RA-3. A minimum system temperature of 47°K has been achieved.

Published in:

IRE Transactions on Space Electronics and Telemetry  (Volume:SET-8 ,  Issue: 2 )