Shhh tak tae! ai i aanbswt i 1itallt tls al SP nadeEa a tekioe te g this was a less reliable instrument than the centigrade thermometer, TT, is judged to be t | (TA accurate only within 0.5° F. and TT to be accurate only within 0.7° F. August 28. TT,, TT, and TI, were all measured to the nearest half-degree F. {.0 or o5)e BE inte The Fahrenheit thermometer described immediately above was used to measure TT,, and the resultZz ing observations are correct within 0.7° F. TT and TI, are correct within 0.5° Fe (see Notes, fF dur a L Table 4). August 31. TT,, measured to tenths C. (see August 20, above), are accurate within 0.4° BEE hou TT and Thys measured with a psychron to the nearest half-degree F., are accurate within 0.5° ? aE pa: : F TABLE 17. LAGOON-OCEAN: August 18. LAGOON-OCEAN TRAVERSES. £4 14 TT, was obtained by canvas bucket~haul from a helicopter using the Centigrade thermometer described in the Notes for Table 16, above. Readings were to the nearest 0.1° Ce | ; Values given are correct within 0.4° F. August 23. TT, was measured to the nearest half-degree F., using the F. thermometer ae . described under date of August 23 in Notes, Table 16, above. 0.7° F. TT and TI, were measured to the closest half-degree F. (.0 or .5) using a psychron. 4 Values are accurate within 0.5° F. yards off the reef. TABLE 18. Ai] values are accurate within 2% Locations in the ocean (cutside) were all taken 500 to 100%R . ENIWETOK-BIKINI: BI-HOURLY OBSERVATIONS, MSTS - T-LST 618. Time is correct within 5 minutes. J Positions while underway, as given in the log, may be assumed to be accurate within 2 nautical miles. Ng is correct within one-eighth. E.ge: In extreme instances, an entry of "4" may in fa have been 3/8 or 5/8. +, ’ q : a3 ea DD is given to the nearest 10°, with the unit O omitted. the ship underway, DD was estimated correctly to within 10°. 8°. Thus 11 represents 110°. with With the ship docked, to within Thus in both instances a minority of the observations may fall in the wrong 10° category: (plus or minus). 4 FF is given to the nearest knot. within 5 imots (plus or minus). With the ship underway, FF was estimated correctly to. With the ship docked, to within 3 mots. Windspeeds (and | directions) were estimated primarily on the basis of the effect of wind upon the water, folie ing the Beaufort scale and then estimating knots within the Beaufort interval. Ly my