1900000
A-COLORADO SPRINGS,COLO.
10/11/62
B-ARGONNE, ILLINOIS 10/15/62
5 MEV.
95 NO 95
10000
1.46 MEV.
K 40
{
a!
=
x
< 1000
R
>
S
2.62 MEV.
Tt 208
100
TWO TYPICAL FIELD GAMMA SPECTRA
10
O
{
{|
]
1
i
{
j
4
|
20 40 60 80 100 120140 160 180 200 220 240 260
CHANNEL NUMBER
Figure 2.
Two typical field spectra obtained during late
1962.
The cosmic, natural y, and fallout y levels are all
somewhat higher at location A,
- 30 -