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13 September 2007 Assimilation of angle of arrival measurements from an antenna of GPS receivers in the WRF model
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Abstract
By tracking a GPS satellite with an antenna of receivers, it is possible to estimate the difference between the satellite elevation angle and the actual arrival angle of the transmitted signal in the line of sight of the antenna. Those measurements are assimilated through the use of a fast ray-tracing observation operator and its adjoint into a high resolution version of the Weather Research and Forecast model. Such assimilation has the potential to improve the description and prediction of the local refractivity field, through improved pressure, temperature and humidity, around the antenna.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
F. Vandenberghe, Clayton Kerce, and Robert Bock "Assimilation of angle of arrival measurements from an antenna of GPS receivers in the WRF model", Proc. SPIE 6685, Assimilation of Remote Sensing and In Situ Data in Modern Numerical Weather and Environmental Prediction Models, 66850A (13 September 2007); https://doi.org/10.1117/12.740690
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