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Appendix 

Transmitter covering Distance

Reference: kilometer

Receive sensitivity 

0.2uV/12dB 

Transmit power 

0.1

0.5W 

Transmit power 

1

2W 

Transmit power 

3

5W 

Transmit power 

10

30W 

Transmit power 

30

50W 

City 

0.1

0.5 

0.5

1

3

5

Town 

0.2

0.6 

1

2

5

8

10 

Environs 

0.3

2

3

8

15 

10

30 

Widen Plain 

0.5

3

8

20 

10

30 

20

40 

Sea communication 

1

5

15 

10

30 

20

40 

20

50 

Only for reference, also the covering distance is concern with the antenna and environment. 

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