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Landon Urquhart
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Comparison of ray-tracing packages for troposphere delays
V Nafisi, L Urquhart, MC Santos, FG Nievinski, J Bohm, DD Wijaya, ...
IEEE Transactions on Geoscience and Remote Sensing 50 (2), 469-481, 2011
712011
Analysis of multi-frequency carrier phase linear combinations for GNSS
L Urquhart
612023
Assessment of troposphere mapping functions using three-dimensional ray-tracing
L Urquhart, FG Nievinski, MC Santos
GPS solutions 18, 345-354, 2014
422014
Ray-traced slant factors for mitigating the tropospheric delay at the observation level
L Urquhart, FG Nievinski, MC Santos
Journal of Geodesy 86, 149-160, 2012
282012
Performance evaluation of integrated GPS/GIOVE precise point positioning
W Cao, A Hauschild, P Steingenberger, RB Langley, L Urquhart, ...
Proceedings of the 2010 International Technical Meeting of The Institute of …, 2010
262010
Analysis of GNSS correction data standards for the automotive market
S Vana, J Aggrey, S Bisnath, R Leandro, L Urquhart, P Gonzalez
Navigation 66 (3), 577-592, 2019
202019
Atmospheric pressure loading and its effects on precise point positioning
L Urquhart
Proceedings of the 22nd International Technical Meeting of The Satellite …, 2009
192009
Generation and assessment of VMF1-type grids using North-American numerical weather models
L Urquhart, MC Santos, FG Nievinski, J Böhm
Earth on the Edge: Science for a Sustainable Planet: Proceedings of the IAG …, 2014
152014
A priori gradients in the analysis of space geodetic observations
J Böhm, L Urquhart, P Steigenberger, R Heinkelmann, V Nafisi, H Schuh
Reference frames for applications in geosciences, 105-109, 2013
132013
Assessment of tropospheric slant factor models: comparison with three dimensional ray-tracing and impact of geodetic positioning
L Urquhart
112023
Global assessment of UNB’s online precise point positioning software
L Urquhart, MC Santos, CA Garcia, RB Langley, RF Leandro
Earth on the Edge: Science for a Sustainable Planet: Proceedings of the IAG …, 2014
82014
Development of a VMF1-like service at UNB
L Urquhart, MC Santos
Retrieved from, 2011
82011
Impact of a priori gradients on VLBI-Derived terrestrial reference frames
J Böhm, H Spicakova, L Urquhart, P Steigenberger, H Schuh
Proceedings of the 20th meeting of the European VLBI group for geodesy and …, 2011
62011
Nexteq's Integer Ambiguity-Resolved Precise Point Positioning System
L Urquhart, Y Zhang, S Lee, J Chan
Proceedings of the 25th International Technical Meeting of the Satellite …, 2012
52012
Spartn: The first open gnss data standard that enables safe and accurate gnss localization for automotive applications
K Ferguson, L Urquhart, R Leandro
Proceedings of the 33rd International Technical Meeting of the Satellite …, 2020
42020
Troposphere delay modeling based on numerical weather models
J Böhm, H Schuh, L Urquhart, P Steigenberger, M Santos
Proceedings of the 3rd International Colloquium-Scientific and Fundamental …, 2011
42011
GPS/GIOVE integrated precise point positioning performance evaluation
W Cao, A Hauschild, P Steigenberger, R Langley, L Urquhart, M Santos, ...
ION 2010 International Technical Meeting, 2010
42010
Integrity for high accuracy GNSS correction services
L Urquhart, R Leandro, P Gonzales
Proceedings of the 2019 International Technical Meeting of The Institute of …, 2019
22019
A priori gradients in the analysis of space geodetic observations
J Böhm, L Urquhart, P Steigenberger, R Heinkelmann, H Schuh
IAG Commissin 1 Symposium 2010, 2010
22010
Fitting of NWM Ray-traced slant factors to closed-form tropospheric mapping functions
L Urquhart, M Santos, F Nievinski
Geodesy for Planet Earth: Proceedings of the 2009 IAG Symposium, Buenos …, 2012
12012
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