Title

DGPS and WAAS maritime accuracy and availability studies

Document Type

Conference Proceeding

Date of Original Version

11-22-2004

Abstract

The differential Global Positioning System (GPS) and Wide Area Augmentation System maritime services (WAAS) are discussed. The coast guard operates a maritime differential GPS service consisting of two control centers and many remote broadcasting sites. It was observed that the beacon coverage is excellent throughout the harbor areas with coverages in shipping channels. The result show that in the areas where elevation angle is low, coverage is lost due to terrain obstructions and rolling of vessel.

Publication Title

Proceedings of the Annual Meeting - Institute of Navigation

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