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1. (WO2018102454) POSITION REFERENCE SYSTEM FOR VESSELS

Pub. No.:    WO/2018/102454    International Application No.:    PCT/US2017/063777
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Thu Nov 30 00:59:59 CET 2017
IPC: G01S 5/02
G08G 3/02
Applicants: MARINE TECHNOLOGIES, LLC
Inventors: ØSTREM, Tor, Eirik
Title: POSITION REFERENCE SYSTEM FOR VESSELS
Abstract:
A system and method may include receiving, by multiple vessel nodes, RF signals communicated from a target node coupled to a target object. A range measurement between respective vessel nodes and the target node may be determined. A range measurement from at least two of the vessel nodes may be received. Relative geographic coordinates of the vessel and the target node using the range measurements received from the at least two vessel nodes may be determined. The relative geographic coordinates of the vessel and target object may be determined.