State two factors by which the range of TV signal can be increased??

Range of a TV signal can mean two different things.

  1. Area of the reach of the signal transmitted by a tower.
  2. Bandwidth.


  1. Ways to increase the range of the area covered by a tower: The range (d) of a tower of height (h) is given by d = √(2Rh), where R = radius of earth and thus a constant quantity. Hence range can be increased by increasing the tower height.
  2. Bandwidth. Bandwidth is the difference between the highest and lowest band frequency. This in turn can be increased by digitilisation of the transmission process and improved multiplexing etc.

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