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Old 03-25-2013, 08:29 PM
88 PS190 88 PS190 is offline
MC Maniac
 
Join Date: Aug 2005
Boat: 1988 MC Prostar 190, 351 Ford
Location: Midwest
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The speed over ground vs speed over water issue is less important for slalom skiing.

Recall if you buy a new boat your only option is ZO and therefore you do not have any speed over water measurement, unless you manually measure speed in water (pitot or paddlewheel) and then adjust your gps speed accordingly.
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