VIRTUAL HEIGHT (KM)
600--—
soor—
T
|
I.
|!
|
MIKE (IVY)
MIKE (IVY)
400r—
~
300r—
200t—-
CRITICAL
FREQUENCY (MC)
to. —
NORMAL
CRITICAL
FREQUENCY (MC)
~
MIKE (IVY)
NORMAL
i
2
3
4.
5
ELAPSED TIME AFTER DETONATION (HRS)
Fige 3.9 = F2-Layer Virtual Height and Critical Frequency at Rongerik
Following Shots 1 and 2 and at Bikini Following Mike Shot
(Operation IVY), Compared with Normal Values
34
SECRET
6