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Conical-scan tracking with the 64-m-diameter antenna at goldstoneThe theory and experimental work which demonstrated the feasibility of conical-scan tracking with a 64 m diameter paraboloid antenna is documented. The purpose of this scheme is to actively track spacecraft and radio sources continuously with an accuracy superior to that obtained by manual correction of the computer driven pointing. The conical-scan implementation gives increased tracking accuracy with X-band spacecraft signals, as demonstrated in the Mariner Venus/Mercury 1973 mission. Also, the high accuracy and ease of measurement with conical-scan tracking allow evaluation of systematic and random antenna tracking errors.
Document ID
19770003196
Document Type
Contractor Report (CR)
Authors
Ohlson, J. E. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Reid, M. S. (Naval Postgraduate School)
Date Acquired
September 3, 2013
Publication Date
October 1, 1976
Subject Category
SPACE COMMUNICATIONS, SPACECRAFT COMMUNICATIONS, COMMAND AND TRACKING
Report/Patent Number
NASA-CR-149144
JPL-TR-32-1605
Funding Number(s)
CONTRACT_GRANT: NAS7-100
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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