TID Observation Using a Short Baseline Network of GPS Receivers
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The total electron content (TEC) observed by GPS method is seldom used in the investigation of travelling ionospheric disturbances (TIDs). The main reason is that the motion of the observation point leads to the mixture of both spatial and temporal changes of TEC in the GPS observation. The present work is devoted to demonstrate that such influence can be modified with the observation by a short baseline network of GPS receivers. The experiment results show that the suggested method is useful for estimating wave parameters of TIDs and investigating their evolution with both space and time. The prime advantage of the new experiment method is that the short baseline GPS network may be used to study the ionospheric disturbances over a very large region.
KeywordsGPS network ionospheric disturbances
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