2. When necessary^ O's are prefixed to fill a field but do not need 



to be suffixed. 



Example: A temperature of 6.3°C. should be 



recorded and punched in Coliimns 33-37 

 as 06.3 with Coliimns 36 and 37 left 

 blank and unpunched. 



ENTRIES FOR SURFACE ENVIROIMEJWAL IKFORMTION (MASTER CARD) 

 (See Appendix I, page 105, for sample Physical and Chemical Data Form.) 



COLUMNS 1 and 2 COUIWRY CODE 



Enter the IGY country code shovm in Table 1. Regardless of the ship's 

 registry^ country code should reflect the nationality of the agency 

 sponsoring or operating the vessel for the particular cruise being 

 coded. 



COLUMNS 3 and k SHIP CODE 



Enter the first two letters of the ship's name (eg. AL = ALBATROSS, 

 DI = DISCOVERY, HS = HUGH M. SMITH). Duplication of ship letters within 

 any one country code must be avoided (e.g. U. S. ALBATROSS = AL, 

 U. S. ALBACORA = AB). If ship is unknown, leave Columns 3 and k blank. 



COLUMNS 5-9 LATITUDE 



Enter latitude in degrees and minutes. Enter tenths of minute, when 

 a-vailable, in Colimin 9. Table 2 converts seconds to tenths of a minute. 

 Enter N or S in the space provided on the data form. 



COLUMNS 10-15 LONGITUDE 



Enter longitude in degrees and minutes. Enter tenths of minute, when 

 available, in Column 15. Table 2 converts seconds to tenths of a minute. 

 Enter E or W in the space provided on the data form. 



