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Antenna Efficiency calculator

This page of converters and calculators section covers Antenna efficiency calculator for the parabolic reflector antenna.

Antenna Diameter in meter (input1) :

Antenna Gain in dB (input2) :

Antenna frequency (MHz) (input3) :

Antenna efficiency (%) (output) :


*Note: Enter values in INPUT boxes and Press CALCULATE button to check OUTPUTS.

EXAMPLE:
INPUTS:
Antenna diameter = 2.4 meter, Antenna Gain (dBi) = 43, Antenna frequency = 6000 MHz
OUTPUT: Antenna efficiency = 87.75 %


Antenna Efficiency Equation

Antenna Gain equation can be expressed as follows. From this equation, antenna efficiency can be calculated using above calculator. The equation of antenna efficiency is mentioned in the following figure. The inputs are antenna diameter, antenna gain and antenna frequency. G = 10*log10 ( K* ((π*D)/λ)2);

Antenna Gain

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