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Marine DGNSS Availability and Continuity

Published online by Cambridge University Press:  26 August 2003

Alan Grant ,
David Last ,
Ludmila Kuncheva  and
Nick Ward
Alan Grant
Affiliation:
University of Wales, Bangor, UK
David Last
Affiliation:
University of Wales, Bangor, UK
Ludmila Kuncheva
Affiliation:
University of Wales, Bangor, UK
Nick Ward
Affiliation:
Trinity House Lighthouse Service, UK
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Abstract

The maritime radiobeacon differential GNSS service in Europe has recently been reorganised with the aim of having at least two of the 162 stations serve each critical coastal location. Maritime administrations have now set specifications for the availability and continuity of the service. The paper analyses these requirements, noting incompatibilities between them. It proposes a method of predicting the performance of beacons, employing IALA standards. This takes into account each beacon's own availability, and propagation factors that include groundwave signal attenuation, interference, and skywave fading at night. Availability, continuity and coverage maps produced by the new programs are presented in the paper.

Keywords

GPSDifferential GNSSMarine radiobeacons
Type
Research Article
Information
The Journal of Navigation , Volume 56 , Issue 3 , September 2003 , pp. 353 - 369
Copyright
© 2003 The Royal Institute of Navigation

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