On the Fly GPS Tide Measurement along the Saint John River

Jianhu Zhao, John E. Hughes Clarke, Steven Brucker, Garret Duffy


Conventional tide measurement gives a separate reading at each tide gauge but cannot meet completely with the requirement of precise hydrographic survey for points between tide gauges. The GPS differential technique provides an alternative method for obtaining on-the-fly tides, which can only be achieved by applying latency correction, attitude correction, height transformation, draft correction and finally a data filter.

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