10 0 SHIP INTAKE 21 1 BUCKET 32 2 HULL CONTACT SENSOR 43 3 REVERSING TERMOMETER 54 4 STD/CTD SENSOR 65 5 MECHANICAL BT 76 6 EXPANDABLE BT 87 7 DIGITAL BT 98 8 THERMISTOR CHAIN 109 9 INFRARED SCANNER 1110 10 MICROWAVE SCANNER 1215 15 MISSING VALUE 13