10

.1

20

.2

30

.3

40

.4

50

.5

60

.6

70

.7

80

.8

90

.9

100

1

200

2

300

3

400

4

500

5

600

6

700

7

800

8

900

9

1000

10

2000

20

3000

30

4000

40

5000

50

0.0001

0.0002

0.0003

0.0004

0.0005

0.00060.00070.00080.00090.001

0.002

0.003

0.004

0.005

0.0060.0070.0080.0090.01

0.02

0.03

0.04

0.05

0.060.070.080.090.1

0.2

0.3

0.4

0.5

0.60.70.80.91

2

3

4

5

6789

10

20

30

40

50

60708090

100

200

300

400

500

600700800900

1000

GROUND WAVE FIELD STRENGTHVERSUS

DISTANCE

1340-1420 kHzCOMPUTED FOR 1380 kHz

0.1

0.5

1

1.5

2

3

4

5

6

7

8

10

15

20

30

40

5000

0.1

0.5

1

1.5

2

3

4

5

6

7

8

10

15

20

30

40

5000

INVERSE DISTANCE 100 mV/m AT 1 km

KILOMETERS FROM ANTENNAGRAPH 17

KILOMETERS FROM ANTENNA

MIL

LIV

OLT

S/M

ETER