Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983tdar.nasa....1f&link_type=abstract
In its The Telecommun. and Data Acquisition Rept. p 1-13 (SEE N84-13401 04-32)
Astronomy and Astrophysics
Astronomy
Deep Space Network, Doppler Navigation, Very Long Base Interferometry, Diffraction Patterns, Radio Astronomy, Radio Interferometers
Scientific paper
The feasibility of using very long baseline interferometric (VLBI) data acquired by the deep space network to navigate highly elliptical Earth orbiting satellites was shown. The navigation accuracy improvements achievable with VLBI and delta VLBI data types are determined for comparison with the Doppler capability. The sensitivity of the VLBI navigation accuracy to the baseline orientation relative to the orbit plane and the effects of major error sources such as gravitational harmonics and atmospheric are examined. It is found that VLBI measurements perform as well as strategies using conventional Doppler, while substantially reducing the required antenna support.
Ellis John
Frauenholz Raymond B.
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