Radio Station for covering 300Km.

Kermit2

Joined Feb 5, 2010
4,162
12.8 Kilowatts?

A local radio station, from my hometown, operates at 98.1 MHz and a power output of 100 Kilowatts. I can 'hear' its broadcasts for 100-120 miles. Operation at 1/8 of that power level (12.8 Kw) would NOT enable one to broadcast 300 Km. Perhaps if the receiver is equiped with a directional antenna, and the transmitter uses a directional antenna, that limit could be reached, but signal to noise ratio would be horrendous at the outer fringe of reception. That particular freq. band is not known for good propagation qualities. Mostly it is line of sight.
 

radiohead

Joined May 28, 2009
514
You might be able to reach that kind of range with an AM transmitter using a log periodic antenna. How much space do you have in your antenna field?
 
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