ha T spenee1G
as
TERT a ee Se
This cessation of fallout indicated that the cloud dispensi g these
particles, probably extending about 100 miles
eastward.
105 nmi
(160 km)
across, had
oved
The time of its passage over the inhabited atoll of Rong
(194 km)
east of Bikini,
lap,
be
is not accurately known and can on
inferred from its arrival at about 1430 at Rongerik farther east.
fallout reconstruction shown in Figure 61 shows the front of the fa
out
passing the easternmost portion of Rongelap at 1245 iocal time.
At Rongerik, 135 nmi
(250 km) east of Bikini, 25 men of the 6th
eather
Squadron operated a weather observatory for the Weather Reporting El ment
(WREP), Test Support Unit, TG 7.4, and 3 men from the 9710th TSU ope: ated
as a CTT mEI
fleet.
the
tee
After several hours, the snow-like materia] stopped falling on
\
—"
“LS
aikint
300
‘
200
1009
50
Yo
5
o
|
‘
BIKARFATOLL
‘
RONGELAP ATOLL
;.
g \
—~ a]
AILINGINAE ATOLL
9
RONGERIK ATOLL
‘
UTIRIK ATOL
TAKA ATOLL A
ee Fe
Z
\\ -
‘
0
10
20
30
40
50
60
70
80
Le
NAUTICAL MILES
Oo
{
20
40
|
60
}
80
100 120
140
LL
908
160
i
100
9185
KILOMETERS
Figure 61.
CASTLE, BRAVO reconstructed fallout at H+6; 1245 local jme
(R/hr). Reconstruction is by NRDL and shows gamma field
levels that would have existed had the fallout been on land
areas (source:
Reference 53).
216
Oe ee
i/, CoN
N
eee orn rn Sea!
-
WARIS TS
CA
ae,
an ionospheric sounder for Project 6.6, TU 13, TG l.