Columns 20-21 DAY 
Enter the day of month by using the numerals Ol through 31. When 
day of release is doubtful, leave blank. 
Columns 22-23 TIME 
Enter local standard time of release to nearest hour by using the 
numerals OO through 2}. 
Columns 24-32 LATITUDE AND LONGITUDE OF RELEASE 
Enter degrees and whole minutes of latitude and longitude in Columns 
24-27 and 28-32, respectively. Enter N or S for northern or southern 
hemisphere, and E or W for eastern or western hemisphere, in the space 
provided following Columns 27 and 32, respectively. 
Columns 33=36 RELEASE MARSDEN SQUARE AND 1/4° SQUARE 
Leave blank. This information will be computed and punched’ into 
the card at the NODC. 
Columns 37-38 DISTANCE FROM SHORE 
Enter the shortest distance from the release position to shore in 
whole nautical miles. Enter numerals 99 in these columns to indicate 
that the distance from shore is 99 nautical miles or greater. If 
stations are relatively close to shore, distance may be reported to 
tenths of a nautical mile by entering the tenths digit in Column 38; 
enter a red dash over the tenths numeral in Column 38. Prefix a zero 
to fill the field when necessary. 
