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Measuring Antenna Signal DelaysSignal delays in large dish antennas measured by method based on commercial frequency-modulated instrument. Measurements accurate within 3 ns on primary path lengths of 60 ns or more. Major benefit of method is user distinguishes between delay along the primary signal path and delays along multiple-reflection signal paths (multipaths), so multipath errors minimized or made insignificant in calibration of antenna delays.
Document ID
19850000455
Acquisition Source
Jet Propulsion Laboratory
Document Type
Other - NASA Tech Brief
Authors
T Y Otoshi (California Institute of Technology Pasadena, California, United States)
A R Howland (California Institute of Technology Pasadena, California, United States)
Date Acquired
August 12, 2013
Publication Date
December 21, 1985
Publication Information
Publication: NASA Tech Briefs
Publisher: Associated Business Publications
Volume: 9
Issue: 4
ISSN: 0145-319X
Subject Category
Communications And Radar
Report/Patent Number
NPO-15947
Report Number: NPO-15947
ISSN: 0145-319X
Accession Number
85B10455
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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IDRelationTitle20100028148See AlsoNASA Tech Briefs, Winter 1985
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