100
Percent of 3-Foot Dose Rate
_
—
t —
=
t
O
Scintameter in P2V ACFT _
&
Top Hat in P2V ACFT
—-
Theoretical Curve
QO.
200
400
600
800
1000
Altitude , Feet
Figure 3.3
Radiation attenuation over land (P2V-5 aircraft).
Percent of 3- Foot Dose Rate
© 12-O1N, 164-41E
A I2-JIN, 165-02E
Helicopter
O Off Janet
Theoretical Curve
oO
200
400
600
800
1000
Altitude , Feet
Figure 3.4 Radiation attenuation over water.
27
1200