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Millimeter wave experiment for ATS-FA detailed description of spaceborne equipment is provided. The equipment consists of two transmitters radiating signals at 20 and 30 GHz from either U.S. coverage horn antennas or a narrow beam parabolic antenna. Three modes of operation are provided: a continuous wave mode, a multitone mode in which nine spectral lines having 180 MHz separation and spaced symmetrically about each carrier, and a communications mode in which communications signals from the main spacecraft transponder are modulated on the two carriers. Detailed performance attained in the flight/prototype model of the equipment is presented both under laboratory conditions and under environmental extremes. Provisions made for ensuring reliability in space operation are described. Also described the bench test equipment developed for use with the experiment, and a summary of the new technology is included.
Document ID
19730017168
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Green, J. S. (Hughes Aircraft Co. El Segundo, CA, United States)
Parisky, R. N. (Hughes Aircraft Co. El Segundo, CA, United States)
Shapiro, S. S. (Hughes Aircraft Co. El Segundo, CA, United States)
Date Acquired
August 7, 2013
Publication Date
May 1, 1973
Subject Category
Space Vehicles
Report/Patent Number
NASA-CR-132760
SCG-30153R
HS-330-3348-50
Accession Number
73N25895
Funding Number(s)
CONTRACT_GRANT: NAS5-21075
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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