Landon Urquhart
Title
Cited by
Cited by
Year
An analysis of multi-frequency carrier phase linear combinations for GNSS
L Urquhart
Techn. Report 263, 2009
412009
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
352011
Assessment of troposphere mapping functions using three-dimensional ray-tracing
L Urquhart, FG Nievinski, MC Santos
GPS solutions 18 (3), 345-354, 2014
212014
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
212010
Ray-traced slant factors for mitigating the tropospheric delay at the observation level
L Urquhart, FG Nievinski, MC Santos
Journal of Geodesy 86 (2), 149-160, 2012
172012
Atmospheric pressure loading and its effects on precise point positioning
L Urquhart
Proceedings of the 22nd International Technical Meeting of The Satellite …, 2009
162009
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
72013
Assessment of tropospheric slant factor models: Comparison with three dimensional ray-tracing and impact on geodetic positioning
L Urquhart
Masters Abstracts International 51 (03), 2011
72011
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
62019
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, 3-9, 2014
52014
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, 585-589, 2014
52014
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
Impact of a priori gradients on VLBI-derived terrestrial reference frames
J Böhm, H Spicakova, L Urquhart, P Steigenberger, H Schuh
evga, 128-132, 2011
52011
Development of a VMF1-like service at UNB
L Urquhart, MC Santos
Retrieved from, 2011
52011
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
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
32011
A priori gradients in the analysis of space geodetic observations
J Böhm, L Urquhart, P Steigenberger, R Heinkelmann, H Schuh
Reference Frames for Applications in Geosciences (REFAG2010), 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, 809-815, 2012
12012
Benchmarking ray-traced tropospheric delays
V Nafisi, L Urquhart, MC Santos, FG Nievinski, J Böhm, DD Wijaya, ...
IEEE Trans Geosci Remote Sens (Submitted Dec. 12, 2010), 2010
12010
Impact of mapping functions based on spherical, ellipsoidal, gradient, and 3d atmospheric structures on GPS Precise Point Positioning
FG Nievinski, MC Santos
AGUFM 2008, G41A-0611, 2008
12008
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