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2-Element parasitic Yagis for the Shortwave-Bands 10m-30m
No other antenna has a better relation between gain and expense than the 2-Element-Yagi
post 15 Feb 2024
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Short yagi Multibands
Un'antenna direttiva tribanda, di piccole dimensioni, abbastanza efficente, non troppo pesante
Skipper antenna
The creator of this antenna system is Dick Bird G4ZU, published this antenna project to single-band 10 meters and named it Bird-Yagi
Stacking antennas
Stacking antennas of the same kind can be of great use for improving weak signal DX results
Stacking broadside collinear
With the success on the invisible attic wire beam, a lot of club members showed their interest on this trial and discussed possibility of similar application
Stacking Formula for Long Yagis
Two identical yagis can be stacked so that their capture areas just touch. That distance will give close to the maximum achievable gain
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Un'antenna direttiva tribanda, di piccole dimensioni, abbastanza efficente, non troppo pesante
The creator of this antenna system is Dick Bird G4ZU, published this antenna project to single-band 10 meters and named it Bird-Yagi
Stacking antennas of the same kind can be of great use for improving weak signal DX results
With the success on the invisible attic wire beam, a lot of club members showed their interest on this trial and discussed possibility of similar application
Two identical yagis can be stacked so that their capture areas just touch. That distance will give close to the maximum achievable gain
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