A TV transmission tower has a height of 140m and the height of the receiving antenna is 40m. what is the maximum distance upto which signals can be broadcasted from this tower in LOS(Line of sight ) mode? (Given: radius of earth =6.4 m). |
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(a) |
80km |
(b) |
48 km |

(c) |
40km |
(d) |
65 km |

A TV transmission tower has a height of 140m and the height of the receiving antenna is 40m. what is the maximum distance upto which signals can be broadcasted from this tower in LOS(Line of sight ) mode? (Given: radius of earth =6.4 m). |
|||

(a) |
80km |
(b) |
48 km |

(c) |
40km |
(d) |
65 km |

1 Answer

127 votes

Maximum distance upto which signal can be broadcasted is :

=

Where are heights of transmitter tower and height of receiver respectively.

Putting all values

On solving, =65km

127 votes

127