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The application of NAVSTAR Differential GPS to civil helicopter operationsPrinciples concerning the operation of the NAVSTAR Global Positioning Systems (GPS) are discussed. Selective availability issues concerning NAVSTAR GPS and differential GPS concepts are analyzed. Civil support and market potential for differential GPS are outlined. It is concluded that differential GPS provides a variation on the baseline GPS system, and gives an assured, uninterrupted level of accuracy for the civilian community.
Document ID
19810019536
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Beser, J. (Intermetrics, Inc. Huntington Beach, CA, United States)
Parkinson, B. W. (Intermetrics, Inc. Huntington Beach, CA, United States)
Date Acquired
September 4, 2013
Publication Date
June 1, 1981
Subject Category
Aircraft Communications And Navigation
Report/Patent Number
IR-CA-01
NASA-CR-166169
Accession Number
81N28074
Funding Number(s)
CONTRACT_GRANT: NASA ORDER A-81060-B
PROJECT: RTOP 532-06-11
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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