Distance from the radiating source (cm)

Single source (V/cm)

Double Source (V/cm)

0

30

50

10

6.1

10.8

20

3.2

6.2

30

2.7

5.2

40

2.5

4

50

2.1

2.7

60

1.9

2.1

90

1.8

1.8