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Tides - How do I know that MSS Tide and Geoid Tide give representative results?

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A small and constant ‘vertical bias’ between MSS Tide and Geoid Tide is a good indication that everything is working okay.

The ‘vertical bias’ between MSS Tide and Geoid Tide is included in the TideInfo.txt file:

$UltraTide,20100525,21:00:00,1148,600,600,5708.7101,N,00217.1174,W,137.88,0.04,0.08,137.71,137.94,137.60,0.28,0.29,137.60,50.61,-0.01,-0.01,EGM08*39

It is also available to display as a graph within the Tides window:


 

Both the ‘MSS Tide’ and the ‘Geoid Tide’ plots should also show a tidal curve around a zero mean:

 

 

 

 

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