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Project 23.1 - Fireball and Bhangmeter - H. E. Grier
D, EPerkowitz
FIREBALL
Preliminary firebsll measurements were made on five Eastman high speed
films, two each from «tations Enyu and Bikini, and one from Chieerete.
The
results ares:
Enyu
P=234.8
4.09 MT
Enyu
Q=233.6
L.€7 MT
Chieerete
Q=235.4
5,06 MT
Bikini
=235.8
5.10 MT
Pikini
=239.8
5.50 MT
The firebsil visibility wes good from all stations; there were only a few
scattered clouds,
The assumed ambient air density used in these calculetions
wes 1.10 grams/liter.
The fireball imeges on the second film from Bikini
were definitely of poor cuality, end the corresponding yielc is weighted very
little in computing the average.
The everege yield is 5.01 megatons + 4%,
BEANGLETER
Four Fhangmeters at the control point indicated a time to minimun of
224 milliseconds which corresponds to a yield of 5.0 megatons.
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CODrsa
Bae phe
PAN:
ra
7%
qt
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82
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