6, Dissolved Ostygen . 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 SyMB0I5 



I. Compass Direction Conversion Table for 

 Wind, Sea, and Swell Directions 



Code Direction 



00 — Calm 



01 50 to ll;0 



02 150 to 2U° NNE 



03 250 to 3hP 



Ok 35° to hh° 



05 U5° to 5U0 NE 



06 55° to 61iO 



07 65° to 7U° ENE 



08 75° to 8U0 



09 85° to 9UP E 



10 950 to lOUo 



11 1050 to 11U° ESE 



12 115° to I2U0 



13 1250 to 13li° 



m 1350 to lkh° SE 



15 . IU50 to 15^0 



15 1550 to 161;° SSE 



17 1650 to 17iiO 



18 1750 to I8ii0 S 



19 185° to 19U0 



20 195° to 20I1O SSW 



21 205° to 211|0 



22 215° to 22U° 



23 225° to 23U° SW 



2k 235° to 2kh° 



25 2U5° to 25U° WSW 



26 ^ 255° to 26UO 



27 265° to 27UO W 



28 275° to 281i° 



29 285° to 291;° WNW 



30 295° to 30l;0 



• 31 3050 to 31ii° 



32 315° to 32lt° mi 



33 325° to 33iiO 



3k 335° to 3khP NNW 



35 3^50 to 35UO 



36 3550 to k° H 



A3 



