NATIONAL INSTITUTE OF OCEAN TECHNOLOGY CAMPUS AT PALLIKARNAI, CHENNAI. |
SURVEY VESSEL |
OVERVIEW OF A TYPICAL HYDROGRAPHIC SURVEY. MULTIBEAM, SIDE SCAN, SUB-BOTTOM, MAGNETIC & SIESMIC INSTRUMENTS ARE DEPLOYED TOGETHER |
SATTELITES IN LOWER ORBIT AT 22,000KM HIGHT ARE TRANSMITTING GPS SIGNALS USED FOR POSITION CALCULATION OF VESSELS |