Determining spacecraft angular position with delta VLBI the voyager demonstration
Downloaded by BEIHANG UNIVERSITY on January 26, 2015 | http://arc.aiaa.org | DOI: 10.2514/6.1982-1471
Determining Spacecraft Angular Position with Delta VLBI: The Voyager
Demonstration
J.S. Border, F.F. Donivan, S.G. Finley,
C.E. Hildebrand, B. Moultrie, and
L.J. Skjerve, Jet Propulsion Lab, Pasadena, CA
AIAA/AAS Astrodynamics Conference
August 9-1 1, 1982
San Diego, California
For permission to copy or republish, contact the American Institute of Aeronautics and Astronautics
1290 Avenue of the Americas, New York, NY 10104
DETERMINING SPACECRAFT ANGULAR POSITION
WITH DELTA VLBI: THE VOYAGER DEMONSTRATION
J. S. Border+, F. F. Donivan+, S. G. Finley +
C. E. Hildebkand+, B. ~ o u l t r i e * , L. J. Skjerve+t
J e t Propulsion Laboratory
C a l i f o r n i a I n s t i t u t e of Technology
Pasadena, C a l i f o r n i a
Downloaded by BEIHANG UNIVERSITY on January 26, 2015 | http://arc.aiaa.org | DOI: 10.2514/6.1982-1471
Abstract
A d e m o n s t r a t i o n o f a new VLBL-based r a d i o m e t r i c data type f o r i n t e r p l a n e t a r y navigation has been conducted u s i n g t h e Voyager s p a c e c r a f t on t h e i r approach t o Saturn.
Pseudo-range
measurements from s t a t i o n s on i n t e r c o n t i n e n t a l b a s e l i n e s were employed, i n c o n j u n c t i o n w i t h i n t e r f e r o m e t r i c observations of quasars, t o obtain a p r e c i s e measure of t h e s p a c e c r a f t a n g u l a r position. I n a d d i t i o n t o i t s high accuracy t h i s technique r e q u i r e s s i g n i f i c a n t l y l e s s s t a t i o n time than conventional range and Doppler and can be used i n a downlink o n l y mode. The p a p e r d e s c r i b e s t h e d a t a t y p e , a c q u i s i t i o n s y s t e m , and p r o c e s s i n g procedures. A n t i c i p a t e d measurement a c c u r a c y i s e s t a b l i s h e d by a n a l y s i s of v a r i o u s s y s t e m e r r o r sources. R e s u l t s o b t a i n e d f r o m Voyager o b s e
Determining Spacecraft Angular Position with Delta VLBI: The Voyager
Demonstration
J.S. Border, F.F. Donivan, S.G. Finley,
C.E. Hildebrand, B. Moultrie, and
L.J. Skjerve, Jet Propulsion Lab, Pasadena, CA
AIAA/AAS Astrodynamics Conference
August 9-1 1, 1982
San Diego, California
For permission to copy or republish, contact the American Institute of Aeronautics and Astronautics
1290 Avenue of the Americas, New York, NY 10104
DETERMINING SPACECRAFT ANGULAR POSITION
WITH DELTA VLBI: THE VOYAGER DEMONSTRATION
J. S. Border+, F. F. Donivan+, S. G. Finley +
C. E. Hildebkand+, B. ~ o u l t r i e * , L. J. Skjerve+t
J e t Propulsion Laboratory
C a l i f o r n i a I n s t i t u t e of Technology
Pasadena, C a l i f o r n i a
Downloaded by BEIHANG UNIVERSITY on January 26, 2015 | http://arc.aiaa.org | DOI: 10.2514/6.1982-1471
Abstract
A d e m o n s t r a t i o n o f a new VLBL-based r a d i o m e t r i c data type f o r i n t e r p l a n e t a r y navigation has been conducted u s i n g t h e Voyager s p a c e c r a f t on t h e i r approach t o Saturn.
Pseudo-range
measurements from s t a t i o n s on i n t e r c o n t i n e n t a l b a s e l i n e s were employed, i n c o n j u n c t i o n w i t h i n t e r f e r o m e t r i c observations of quasars, t o obtain a p r e c i s e measure of t h e s p a c e c r a f t a n g u l a r position. I n a d d i t i o n t o i t s high accuracy t h i s technique r e q u i r e s s i g n i f i c a n t l y l e s s s t a t i o n time than conventional range and Doppler and can be used i n a downlink o n l y mode. The p a p e r d e s c r i b e s t h e d a t a t y p e , a c q u i s i t i o n s y s t e m , and p r o c e s s i n g procedures. A n t i c i p a t e d measurement a c c u r a c y i s e s t a b l i s h e d by a n a l y s i s of v a r i o u s s y s t e m e r r o r sources. R e s u l t s o b t a i n e d f r o m Voyager o b s e
References: Downloaded by BEIHANG UNIVERSITY on January 26, 2015 | http://arc.aiaa.org | DOI: 10.2514/6.1982-1471 Curkendall, D v. 5 , n. 1 0 , pp. 1239-1247, O c t o b e r 1970.