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High accuracy autonomous navigation using the global positioning system (GPS)The application of global positioning system (GPS) technology to the improvement of the accuracy and economy of spacecraft navigation, is reported. High-accuracy autonomous navigation algorithms are currently being qualified in conjunction with the GPS attitude determination flyer (GADFLY) experiment for the small satellite technology initiative Lewis spacecraft. Preflight performance assessments indicated that these algorithms are able to provide a real time total position accuracy of better than 10 m and a velocity accuracy of better than 0.01 m/s, with selective availability at typical levels. It is expected that the position accuracy will be increased to 2 m if corrections are provided by the GPS wide area augmentation system.
Document ID
19980137195
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Truong, Son H.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Hart, Roger C.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Shoan, Wendy C.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Wood, Terri
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Long, Anne C.
(Computer Sciences Corp. Lanham, MD United States)
Oza, Dipak H.
(Computer Sciences Corp. Lanham, MD United States)
Lee, Taesul
(Computer Sciences Corp. Lanham, MD United States)
Date Acquired
August 18, 2013
Publication Date
August 1, 1997
Subject Category
Aircraft Communications And Navigation
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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