This paper illustrates a methodology to get a reliable estimation of the local wave properties,\nbased on the reconstruction of the motion of a moving sailboat by means of GNSS receivers installed\non board and an original kinematic positioning approach. The wave parameters reconstruction\nmay be used for many useful practical purposes, e.g. to improve of autopilots, for real-time control\nsystems of ships, to analyze and improve the performance of race sailboats, and to estimate the local\nproperties of the waves. A Class 40 oceanic vessel (ECO40) left from the port of â??Riva di Traianoâ?\nlocated close to Rome (Italy) on 19 October 2014 to perform a non-stop sailing alone around the world\nin energy and food self-sufficiency. The proposed system was installed on ECO40 and the proposed\nmethod was applied to estimate the wave properties during a storm in theWestern Mediterranean\nSea. The results compared against two sets of hindcast data and wave buoy records demonstrated\nthe reliability of the method.
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