Performance of differenced range data types in Voyager navigation

Details Performance of differenced range data types in Voyager navigation Performance of differenced range data types in Voyager navigation

Nov 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982tdar.nasa...40t&link_type=abstract

In its The Telecommun. and Data Acquisition Progr. J. p 40-52 (SEE N83-14323 05-32)

Computer Science

Performance

Radio Navigation, Spacecraft Control, Very Long Base Interferometry, Voyager 2 Spacecraft, Data Transmission, Spacecraft Communication, Statistical Analysis

Scientific paper

Voyager radio navigation made use of a differenced rage data type for both Saturn encounters because of the low declination singularity of Doppler data. Nearly simultaneous two-way range from two-station baselines was explicitly differenced to produce this data type. Concurrently, a differential VLBI data type (DDOR), utilizing doubly differenced quasar-spacecraft delays, with potentially higher precision was demonstrated. Performance of these data types is investigated on the Jupiter-to-Saturn leg of Voyager 2. The statistics of performance are presented in terms of actual data noise comparisons and sample orbit estimates. Use of DDOR as a primary data type for navigation to Uranus is discussed.

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