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Antenna yagi 3 element calculator
Antenna yagi 3 element, calculator director driven on a side reflector spacing total length of driven
post 29 Jan 2024
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Helix antenna design and construction details
Design frequency MHz, Number of turns ,Turn spacing, wavelengths
Inductance of a Straight Wire, One End Grounded
Any length of wire has some inductance, however, at low frequencies, 1-30 MHz, the added effect of this inductance is usually minimum
J-Pole Antenna Calculator
If the antenna is to be placed outside, do not use brass, photo model designed for 2.45 GHz. A capacitor of 0.8 pF and it would be perfectly matched to 50ohm
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Design frequency MHz, Number of turns ,Turn spacing, wavelengths
Any length of wire has some inductance, however, at low frequencies, 1-30 MHz, the added effect of this inductance is usually minimum
If the antenna is to be placed outside, do not use brass, photo model designed for 2.45 GHz. A capacitor of 0.8 pF and it would be perfectly matched to 50ohm
Take off angle of horizontal antenna For horizontal polarization, the electric field will move sideways on a horizontal plane, while for vertical polarization it will oscillate up and down on a vertical plane
Rx antennas 4Square Rx Vertical Array My frequency design of 1.825 MHz a 90 degrees line would be 33,70 metersinstead of the previously calculated 33,27 m
Calculo da Antena Bazooka A double bazooka antenna is a combination that has a complete coaxial wave multiplied by its velocity factor and a total end-to-end length of 1/4 wave for each side affected by another driver shortening facto