A DETAILED VIEW

• Remember as a kid when you put a mask on and looked under the water for the first time? The difference in what you saw was like night and day once you had a clear view of what was beneath the water’s surface. Similarly, personal bathymetric generators do the same for today’s serious offshore fisherman. The advantage with PBGs is that you are recording the detailed bottom conditions of your specific fishing area into a high-resolution image. You may then utilize your own prerecorded PBGs on your chart plotter.

SWATH MAPPING BEGINS

Here in the contiguous US, coastal cartography is