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Maritime Musings (2)

Biofouling

Posted to Maritime Musings (by Dennis Bryant) on April 8, 2011

Biofouling is the accumulation of microorganisms, algae, plants, and/or animals on wetted surfaces, particularly the hulls of ships. This became a significant problem as European mariners started making extended sea voyages in the late fifteenth century.

DGPS

Posted to Maritime Musings (by Dennis Bryant) on February 11, 2011

The Differential Global Positioning System (DGPS) is an augmented version of the satellite-based Global Positioning System (GPS) operated by the US Air Force. The GPS was originally designed to provide two levels of service: an open-signal L1…

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