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Real Time Calibration of Antenna Phase Errors for Ultra Short Baseline Attitude Systems
Real Time Calibration Antenna Phase Errors Ultra Short Baseline Attitude Systems
2015/6/29
Ultra short baseline attitude systems with base lines under 0.5 meters are desirable for any application which requires a high level of integrity. The higher level of integrity is a direct result of t...
Bounding Higher Order Ionosphere Errors for the Dual Frequency GPS User
Bounding Higher Order Ionosphere Errors Dual Frequency GPS User
2015/6/25
The advent of a second civil GPS frequency heralds a new phase of GPS performance. For single-frequency GPS users, the signal delay due to refraction through the ionosphere is the largest and most var...
A Study of Severe Multipath Errors for the Proposed GBAS Airport Surface Movement Application
Multipath Errors GBAS Airport Surface Movement
2015/6/25
Young Shin Park is a Ph.D. Candidate in Aeronautics and Astronautics in the Global Positioning System (GPS) Research Laboratory at Stanford University and a Senior Engineer at Qualcomm Incorporated. H...
GBAS Differentially Corrected Positioning Service Ionospheric Anomaly Errors Evaluated in an Operational Context
GBAS Differentially Corrected Positioning Service onospheric Anomaly Errors
2015/6/25
Tim Murphy is Technical Fellow with Boeing Commercial Airplanes where he is a member of the Electronic Systems organization. Tim has 25 years of experience in radio navigation communications and surve...
Statistical Characterization of GLONASS Broadcast Ephemeris Errors
GLONASS Broadcast Ephemeris
2015/6/24
For critical navigation applications such as aircraft approach and landing, there is a general desire to use multi-constella-tion global navigation satellite systems (GNSS) to enhance availability and...
Statistical Characterization of GLONASS Broadcast Clock Errors and Signal-In-Space Errors
Statistical Characterization GLONASS Broadcast Clock Errors Signal-In-Space Errors
2015/6/24
With more than 70 navigation satellites orbiting the Earth,global navigation satellite systems (GNSS) users are fas-cinated to use multiple constellations to enhance position-ing availability, accurac...