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

 liter to two decimal places o Because of pollution in one of the 

 analyzing reagents, the oxygen values presented are considered doubtful 

 in the absolute sense, but satisfactory from a relative viewpoint, 



7o 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, Compass Direction Conversion Table for 

 Wind, Sea, and Swell Directions 



Code Direction 



00 Calm 



01 5° to 14° 



02 150 to 24° NNE 



03 250 to 340 



04 350 to 440 



05 450 to 54° NE 



06 550 to 64° 



07 650 to 740 ENE 



08 750 to 84° 



09 - 85° to 94° E 



10 950 to 1040 



11 1050 to 114° ESE 



12 115° to 124° 



13 1250 to 134° 



14 1350 to 144° SE 



15 „ 1450 to 154° 



16 1550 to 164° SSE 



17 165° to 174° 



18 1750 to 184° S 



19 I850 to 194° 



20 195° to 204° SSW 



21 204° to 214° 



22 215° to 224° 



23 225° to 234° SW 



24 235° to 244° 



25 245° to 254° WSW 



26 255° to 264° 



27-- 265° to 274° W 



28--~ 275° to 284° 



29 285° to 294° WNW 



30 295° to 304° 



31 3050 to 314° 



32 3150 to 324° NW 



33 3250 to 334° 



34 3350 to 344° NNW 



35 „_ 3450 to 354° 



36 3550 to 4° N 



69 



