6, Dissolved Oxygen . These values are given in milliliters per 

 liter to two decimal places. Values of 10,00 or above rarely occur 

 and are coded as 9»99<, 



7. Sound Velocity . Sound velocity is given in feet per second 

 to one decimal place, corrected for pressure at each depth. 



TABLES DEFINING CODE SYMBOLS 



I. Corpass Direction Conversion Table for 

 Wind, Sea, and Swell Directions 



Code Direction 



00 — Calm 



01 5° to lUO 



02 15° to 2U° NNE 



03 25° to 3U° 



OU 3?° to hhP 



05 h5° to 5U° NE 



06 — 55° to bhP 



07 65° to 7ii° ENE 



08 75° to 8U° 



09 85° to 9hP E 



10 95° to 10li° 



11 105° to llii° ESE 



12 115° to 12uO 



13 125° to 13U0 



li^ 1350 to 1)4)4° SE 



15 ll;5° to I51l° 



16 1550 to I61i° SSE 



17 165° to 17)1° 



18 175° to 16U° 3 



19 „ ™ 185° to 19U° 



20 195° to 20)4.° SSW 



21 205° to 22hP 



22 215° to 22h9 



23 . 2250 to 23li° SW 



2k — 235° to 2)1)1° 



25 2i;5° to 25U° VSW 



26 255° to 261.° 



27 .-- 265° to 27li° W 



28 275° to 28);0 



29 285° to 29)i° wmf 



30 ^— 295° to 30i>° 



31 305° to 3lli° 



32 315° to 32)i° m^ 



2^ . 325° t^ 33li° 



3ii 3350 to 3)1)4° NNW 



35 2h$° to 35)4° 



36 . 355° to hP N 



51 



