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Effective Radiated Power (ERP)


Calculate ERP from known transmission variables.
If you would like to calculate just wattage and antenna gain without the transmission line and its effects, simply insert a low frequency into the Frequency text box (0.01 MHz) and insert a very short length in the Transmission Line Length text box (0.01 feet).

Transmitter Outuput Power:
W or kW
Frequency:
MHz
Transmission Line Type:
Transmission Line Length:
Feet
Antenna Gain:
dBd
 
=
W or kW


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