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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.
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:
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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.
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