SWEPOSTM Network-RTK Services - Status, Applications and Experiences

B. Jonsson, G. Hedling, P. Wiklund

Abstract:	SWEPOS(tm), the Swedish network of permanent reference stations, is in IOC-mode operation since 1998 and run by Lantmäteriet, National Land Survey of Sweden. Today (August 2003) the SWEPOS network consists of 57 permanent reference stations. The purpose of SWEPOS is to: • Provide L1 and L2 raw data to post-processing users. • Provide DGPS and RTK corrections to real-time users. • Act as high-precision control points for Swedish GPS users. • Provide data for scientific studies of crustal motion. • Monitor the integrity of the GPS system. Today SWEPOS is used as the basis for the Swedish national reference system, SWEREF 99 and besides many surveying and navigation applications also used for meteorology and timing applications. After pre-studies during the autumn 2000 and the winter 2001, three regional positioning services, based on the Network-RTK concept, are at present (August 2003) in operation. The first Positioning Service, covering the Stockholm area started operation in February 2002, the second service covering the southern part of Sweden in June 2002 and the third one covering the western part of Sweden in September 2002. Experiences from the Network-RTK concept and design of the services will be shown in the paper. Financial and organizational issues for Network-RTK services will also be discussed. Examples of the present applications of the Network-RTK services are cadastral surveying, data capture for data bases with position related information and setting out. Expected future applications are e.g. machine guidance and navigation with high precision. Investigations are on-going for the extension of the Network-RTK services, a preliminary plan for a national Network-RTK service will also be shown.
Published in:	Proceedings of the 16th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS/GNSS 2003) September 9 - 12, 2003 Oregon Convention Center Portland, OR
Pages:	1370 - 1380
Cite this article:	Jonsson, B., Hedling, G., Wiklund, P., "SWEPOSTM Network-RTK Services - Status, Applications and Experiences," Proceedings of the 16th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS/GNSS 2003), Portland, OR, September 2003, pp. 1370-1380.
Full Paper:	ION Members/Non-Members: 1 Download Credit Sign In