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ISSN 2083-6473
ISSN 2083-6481 (electronic version)
 

 

 

Editor-in-Chief

Associate Editor
Tomasz Neumann
 

Published by
TransNav, Faculty of Navigation
Gdynia Maritime University
3, John Paul II Avenue
81-345 Gdynia, POLAND
www http://www.transnav.eu
e-mail transnav@am.gdynia.pl
DGNSS Re-Capitalization
1 Nottingham Scientific Ltd, Nottingham, UK
2 General Lighthouse Authorities, Essex, Harwich, United Kingdom
ABSTRACT: The General Lighthouse Authorities (UK & Ireland) DGPS service came into operation in 1998. In common with other maritime DGPS services the equipment will need replacement over the next few years, in fact computing and communications equipment have already been replaced. Replacement of existing hardware with similar, dedicated Reference Stations and Integrity Monitors (RSIM) is the baseline option and will form a fallback plan if other options prove not to be feasible. However, the choice of suppliers is limited and once chosen, it would be difficult to diversify. Three other options can be identified: software RSIM, Virtual Reference Station (VRS) and integration with Satellite Based Augmentation Systems (SBAS). The software RSIM option draws on the experience of the United States Coast Guard. The VRS and SBAS integration options are treated as potential alternatives to an onsite hardware or software RSIM, but the possibilities of combining either or both with the software RSIM are also considered. All options took into account the need for validation of system performance. This paper draws conclusions about feasibility, performance, risks and costs of the different options and makes recommendations on the course to adopt.
REFERENCES
Cruddace, P 2005. Enabling Application Development through a Supporting National GPS Infrastructure. Nav 05, ‘Pushing the Boundaries’, London, 1-3 November.
Hernandez-Pajeras, Juan, Sanz, Orus, Garcia-Rodgriguez, Colombo 2004. Wide Area Real Time Kinematics with Galileo and GPS Signals. ION GNSS 17th International Technical Meeting of the Satellite Division, Long Beach, CA, 21-24 September.
IMO, 2001. Resolution A.915(22) Revised Maritime Policy and Requirements for a Future Global Navigation Satellite System (GNSS). 22nd Session of the IMO Assembly. 19-30 November.
Wolfe, D 2006. Next Generation Differential GPS Architecture. IALA DGNSS, London, 13-16 March
Citation note:
Pattinson M., Dumville M., Ward N.: DGNSS Re-Capitalization. TransNav, the International Journal on Marine Navigation and Safety of Sea Transportation, Vol. 1, No. 1, pp. 47-53, 2007

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