¢c
oP O98
00°
3
|e 8
O
OQ
°o
oo?
Oo
-
~
b
Aluminum
Cover
A
Bottery Pock
B
v2Steel Plate
C
2”Lead Shield
OD
Two-14 Tube G-M Radiation
Detectors
<B
|
Fw
(Anton *# 315)
.
<<
Seeing angle each
Detector Unit (120°)
<B
Overlop angle(20°)
Coaxial
Coble
Figure 2.3 Schematic diagram of
Nav-Rad unit.
42