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Apr 26, 2012
Ionospheric Effects on GPS Navigation in Low-Latitude Area
Authors: Shan Gao [email protected] and Dept. of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Hong Kong and Wu Chen [email protected]Author Affiliations
Publication: International Conference on Transportation Engineering 2007
Abstract
Ionospheric effects are the major constraints for GPS navigation. Especially, at low latitude, ionospheric delay varies greatly both in space and time. Even for short baselines, ionospheric effects cannot be cancelled out with double difference algorithm. Strong ionospheric disturbances are also observed in the region. In this paper, ionospheric behavior in Hong Kong is investigated by using a dense reference network. The effects of ionospheric disturbances on GPS receiver, such as loss of lock, gross error and measurement noise are studied.
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© 2007 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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School of Civil Engineering, Southwest Jiaotong University, Chengdu, Sichuan, China, 610031. E-mail: [email protected] and Dept. of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Hong Kong
Dept. of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Hong Kong. E-mail: [email protected]
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