Distance from the radiating source (cm)

Single source (V/cm)

Double Source (V/cm)

0

24.2

44

10

4.5

8

20

2.5

4

25

2.1

3.8

30

2.0

3.1

40

2.0

2.6

50

1.9

2.3

60

1.9

2.1

90

1.8

1.8