The digital recorder data message can be re-cycled as often as every 2 seconds. 



The first digit at the left of each line indicates the channel, and each channel 

 contains a part of the data message. 



Channel 1: Indicates time of observation (GMT) 

 1111827 — 11 hours, 18 minutes, 27 seconds 



Channel 2: Digits 2, 3, and 4 indicate day of year 



2130038 — 130th is 9 May 



The next digit is octant of the globe (See Table 1) 

 (0 for 0° to PO^W - North Latitude) 

 The last 2 digits are degrees latitude 38° 



TABLE 1 , OCTANT OF GLOBE CODE 



- 0-90 W X North Latitude 



1 - 90-180 W X North Latitude 



2 - 180-90 E X North Latitude 



3 - 0-90 E X North Latitude 



5 - 0-90 W X South Latitude 



6 - 90-180 W X South Latitude 



7 - 180-90 E X South Latitude 



8 - 90-0 E X South Latitude 



Channel 3: Digits 2 and 3 are minutes of latitude 50' 



3507655 The next four digits are longitude in degrees and minutes; 



76''55' 



Channel 4: Indicates depth of transducers in meters and tenths; 

 4000243 — 00024.3 meters 



Channel 5: Indicates sound velocity in meters per second 

 5015156 — 01515.6 meters/second 



Channel 6: Indicates sea temperature in degrees and hundredths 



centigrade 

 6002335 — +23.35°C 



The sign of the observation is given by the first digit 



following the channel indicator. 



= positive, 1 = negative 



12 



