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Open AccessArticle

EGNOS 1046 Maritime Service Assessment

1
Research Group of Astronomy and Geomatics (gAGE), Universitat Politècnica de Catalunya (UPC), 08034 Barcelona, Spain
2
European GNSS Agency (GSA), 170 00 Prague, Czech Republic
*
Author to whom correspondence should be addressed.
Sensors 2020, 20(1), 276; https://doi.org/10.3390/s20010276
Received: 19 November 2019 / Revised: 18 December 2019 / Accepted: 21 December 2019 / Published: 3 January 2020
(This article belongs to the Collection Positioning and Navigation)
The present contribution evaluates how the European Geostationary Navigation Overlay System (EGNOS) meets the International Maritime Organization (IMO) requirements established in its Resolution A.1046 for navigation in harbor entrances, harbor approaches, and coastal waters: 99.8% of signal availability, 99.8% of service availability, 99.97% of service continuity and 10 m of horizontal accuracy. The data campaign comprises two years of data, from 1 May 2016 to 30 April 2018 (i.e., 730 days), involving 108 permanent stations located within 20 km of the coast or in islands across the EGNOS coverage area, EGNOS corrections, and cleansed GPS broadcast navigation data files. We used the GNSS Laboratory Tool Suite (gLAB) to compute the reference coordinates of the stations, the EGNOS solution, as well as the EGNOS service maps. Our results show a signal availability of 99.999%, a horizontal accuracy of 0.91 m at the 95th percentile, and the regions where the IMO requirements on service availability and service continuity are met. In light of the results presented in the paper, the authors suggest the revision of the assumptions made in the EGNOS Maritime Service against those made in EGNOS for civil aviation; in particular, the use of the EGNOS Message Type 10. View Full-Text
Keywords: Global Navigation Satellite System (GNSS); Satellite Based Augmentation System (SBAS); International Maritime Organization (IMO) Global Navigation Satellite System (GNSS); Satellite Based Augmentation System (SBAS); International Maritime Organization (IMO)
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Ibáñez Segura, D.; Rovira Garcia, A.; Alonso, M.T.; Sanz, J.; Juan, J.M.; González Casado, G.; López Martínez, M. EGNOS 1046 Maritime Service Assessment. Sensors 2020, 20, 276.

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