Pogy 1996 Underway column titles: Date - date Time - time (GMT) Lat. - latitude (decimal) Long. - longitude (decimal) TWD - total water depth CSE - course heading SPD - speed (knots) Kdepth - keel depth (feet) Kdepth - keel depth (meters) Sample - station# of samples taken Surf. - ship surfacing Prb. - # of probe Remarks - station or sample notes