Base Station Establishment Using Multiple Global Positioning Satellite Stations and Free Net Approach
Publication: Journal of Surveying Engineering
Volume 132, Issue 1
Abstract
One of the possible uses of the global positioning satellite permanent stations is to use them as a datum reference when a new base station is established in a geodetic or surveying project. However, the actual procedure is not always obvious. Combining a number of permanent stations in the process involves important decisions that the analyst must make, which can alternate the results dramatically. Important network design aspects that must be addressed are, for example, how many permanent stations should be involved in the process; how long should the session duration be; how should one constrain the permanent stations in the adjustment procedure; and so forth. This paper suggests an algorithm based on multibaseline processing, minimum constraints, and free net adjustment concepts, in order to produce a base station with reliable coordinates and realistic accuracy, while using one or more permanent stations. In order to demonstrate the algorithm and to support the conclusions, it presents numerical examples from the Permanent Stations Array in the State of Israel, processed at the Technion—Israel Institute of Technology, using GAMIT software.
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Acknowledgments
The writer expresses his sincere gratitude to Professor Haim Papo for his assistance, cooperation, and most valuable guidance during this study. He also thanks Professor Dorota Grejner-Brzezinska and Dr. Pawel Wielgosz for their valuable comments and suggestions.
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Information & Authors
Information
Published In
Journal of Surveying Engineering
Volume 132 • Issue 1 • February 2006
Pages: 24 - 30
Copyright
© 2006 ASCE.
History
Received: Apr 1, 2003
Accepted: Dec 29, 2004
Published online: Feb 1, 2006
Published in print: Feb 2006
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