COLUMNS 16 - 18 MARSDEN SQUARE 



This number vill be machine computed if not given. A Marsden Sq.uare 

 Chart is provided as Table 3 for convenience in locating the station 

 positions according to the Marsden Square system. 



Note on Columns 5 — 18: For station position use location as determined on arrival at oceanograpkic station 

 whenever possible. Indicate appreciable drift during the time station %oas occupied by an entry in the Remarks 

 space and a red dash in Column 16. 



COIMMS 19-20 YEAR 



Enter last two digits of year as determined by Greenvich Mean Time (O^IT). 



COLUMNS 21-22 MONTH 



Enter month as determined by (3^Tj using Arabic numerals 01 through 12. 



COLUMNS 23 - 2k TlkY 



Enter day of month as determined by CMT. Prefix if less than 10. 



COLUMNS 25-27 TIME 



Enter hour and tenths of hour of time of station in (24T. Use either 

 time of first cast or time at which applicable surface environmental 

 data were obtained. Table h converts local time to C24T and Table 2 

 converts minutes to tenths of an hour. 



COLUMNS 28-30 SHIP'S CRUISE NUMEER 



Enter the number, alphabetic or alpha-numeric designator or its closest 

 eq_uivalent, assigned to the cruise by the originator. Leave blank if 

 none. Example: MRL 60 = 060 



COLUMNS 31 - 33 SHIP'S STATION NUMBER 



Enter ship's station number as assigned by the originator. When complex 

 station numbering systems are employed (such as station numbers containing 



