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Using 3.75 pf/ft for base loading, 1.9 pf/ft for center loading. Calculate the inductance needed for resonating the The antenna calculator above uses this formula as a starting point to calculate wire lengths for the dipole. The results are conveniently displayed in inches, centimeters, feet and meters. This formula to obtain the length of a half-wave dipole antenna will give a good ballpark value to start with. Design your own tuning capacitor for use with this antenna with the Capacitance Calculator (Capacitor Design) To use the calculator: 1. Choose the units of measurement, English or metric. 2.

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This does NOT take into consideration the type or size of horizontal reflectors, of even if there is a need for them. 2019-09-28 Measure the antenna length and calculate the antenna capacitance . z. Using 3.75 pf/ft for base loading, 1.9 pf/ft for center loading.

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Next, determine the physical aperture area. Measure the total aperture area. Finally, calculate the antenna gain. This calculator determines the effective aperture Ae for a given frequency f or wavelength, λ and antenna gain G. Example: Calculate the effective antenna aperture of the Russian RT-70 radio telescope in Crimea (Russia): its antenna gain is 69.5 dBi or 9000000, working frequency 5.0 GHz (or wavelength 6 … Jack explains how to use an antenna analyzer and EZNEC to calculate the efficiency of a mobile antenna.

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Calculate Gain from Antenna Factor (50 Ω system). Antenna Factor (dB/m).

This CalcTown calculator calculates the efficiency of a parabolic antenna given its aperture, gain and wavelength of radio waves. Click here to view image. Where, A = aperture area of the parabolic antenna. λ = Wavelength of radio waves. G = Gain of the parabolic antenna. Antenna Efficiency Calculator. This tool calculates the efficiency of a satellite antenna based on the aperture, suggested gain and frequency.

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82 Clock. 84 Calculator. 85 Sharing content. Maria Angeliki Chatzigiannakou, "Efficiency evaluation of the offshore deployments Energy of Antennas as Predicted by Classical Electrodynamics", Atmosphere.

The total efficiency of an antenna is the radiation efficiency multiplied by the impedance mismatch loss of the antenna, when connected to a transmission line or receiver (radio or transmitter). This can be summarized in Equation [2], where is the antenna's total efficiency, is the antenna's loss due to impedance mismatch, and is the antenna's radiation efficiency. Design your own tuning capacitor for use with this antenna with the Capacitance Calculator (Capacitor Design) To use the calculator: 1.

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Next, determine the wave length. Calculate the wave length of the waves produces by the antenna. Next, determine the physical aperture area. Measure the total aperture area.

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Where, A = aperture area of the parabolic antenna. λ = Wavelength of radio waves. G = Gain of the parabolic antenna. Antenna Efficiency Calculator.