”
°
* 20
z
PERIOO OF FALL-OUT
.
3
10
2
-
2
oO
0
20
7
40
#260
vopmonon’
100.
120.
i
80
i
(oy
140
i
160
j
180
TIME, MIN oty 540.18-8 MILES CROSS WIND
4
2
= 20F
PERIOD OF.
FALL-OUT
~
oO
= 10
2
-
< olotad
0
45
90
4
PERIOD OF
o
e)
=
™ 10
2
~
135.
180
228
TIME, MIN
.
270
«2315
360
405
STN 540.16-10 MILES CROSS WIND
meer
r 8
2
-
Q
ACTIVITY, C/Mx10-3
<
Oo eo ore
45
90
ferore
138
a
180
225
TIME, MIN
TIME, MIN
270
5
9318
360
STN 54015-15 MILES CROSS WIND
STN 540.09-15 MILES CROSS WIND
Fig. 4.11-—~Periods of primary fall-out at different stations.
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408