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Started by Jonathan S. Clough, November 11, 2009, 09:33:21 PM
QuoteI'm writing to follow up on the question of how the tidal and geodetic datum offsets are applied in 6.0. In a nutshell, the issue is that in 5.0 the tidal / geodetic datum offset value for a single tide station was applied over large geographic areas where that relationship does not necessarily hold constant, therefore adding increasing sources of error/uncertainty in areas farther away from where the tidal geodetic relationship was established.