The dependence of GPS positioning deviation on auroral activity
The possibility of remote sensing ionosphere irregularities induced by auroral activity and affecting the Global Positioning System (GPS) signal is under consideration. The study reveals the dependence of GPS positioning temporal deviations on the auroral oval position and aurora disturbances throughout the polar region. The GPS data sets include the Antarctic and the Arctic GPS network receiver data, as well as the Kola Peninsula GPS original measurements. Auroral activity data include the satellite images of the auroral oval and the low light ground-based camera network data from the Barents Region. The aurora-induced ionosphere disturbances are supposed to be one of the main sources of GPS deviations in the Arctic and the Antarctic. A new method to study the impact of auroral disturbances on GPS positioning has been developed. The main idea of the method is to block the GPS receiver field of view in order to model the situation, with the GPS receiver inside the oval. Comparison of the GPS temporal deviations and the auroral intensity spatial and temporal variations show a good correlation in case studies.
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Document Type: Research Article
Affiliations: 1: Polar Geophysical Institute of the Kola Science Centre RAS, Apatity184209, Russia 2: Murmansk State Technical University, Murmansk183010, Russia
Publication date: June 10, 2011