TM Hydr Bar USER S MANUAL ENGLISH EDITION October 2012 UNABARA CORPORATION P O Box 1843 Gretna Louisiana 70054 USA 504 324 1803 Email marketing unabara us www hydrobar info 2012 Unabara Corporation All Rights Reserved US amp Foreign Patents Pending Introduction The total error in depth measurements during hydrographic surveys is mainly the result of variations in sound velocity in the water column errors in transducer draft tide values an
Hydr Book Hydrographic Echo Sounder USER S MANUAL ENGLISH EDITION May 2013 UNABARA CORPORATION P O Box 1843 Gretna Louisiana 70054 USA 504 324 1803 Email marketing unabara us www hydrobook info 2012 Unabara Corporation All Rights Reserved US amp Foreign Patents Pending Product Overview Unabara s HydroBook Hydrographic Echo Sounder utilizes your survey system s Windows NoteBook PC or laptop tablet as a control and display device operat