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Paraboloidal Reflector With Movable SubreflectorSubreflector of 34-m-diameter paraboloidal radio-antenna reflector tilted and translated to compensate for gravitational distortions of antenna structure. Position and orientation of subreflector adjusted to focus with respect to phase center of radio-frequency feed horn and primary focus of computed paraboloid best fitting gravitationally distorted main paraboloidal reflector. Restores gain lost when antenna aimed at angle other than design optimum elevation.
Document ID
19920000443
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Katow, Masakazu S. (Planning Research Corp.)
Date Acquired
August 15, 2013
Publication Date
August 1, 1992
Publication Information
Publication: NASA Tech Briefs
Volume: 16
Issue: 8
ISSN: 0145-319X
Subject Category
Electronic Components And Circuits
Report/Patent Number
NPO-18442
ISSN: 0145-319X
Report Number: NPO-18442
Accession Number
92B10443
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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