EGNOS 1046 maritime service assessment

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Document typeArticle
Defense date2020-01-01
PublisherMultidisciplinary Digital Publishing Institute (MDPI)
Rights accessOpen Access
Abstract
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.
CitationIbañez, D. [et al.]. EGNOS 1046 maritime service assessment. "Sensors", 1 Gener 2020, vol. 20, núm. 1, p. 1-16.
ISSN1424-8220
Publisher versionhttps://www.mdpi.com/1424-8220/20/1/276
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