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EH antennas and CFA antenna


Many antennas function because of common mode currents, rather than working in spite of them. Two popular examples are CFA and EH antennas. Another recent example, appearing in Antennex's compact antenna articles, is a thick stub "vertical" with no counterpoise
post 06 Feb 2024
EH antennas and CFA antenna

Antenna EH Links

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Eh Antenna 7 mhz
Antenna eccezionalmente compatta ed ad alta efficienza.Angolo di radiazione incomparabilmente basso persino a basse altezze

EH per 40 mt
La costruzione dei due tubi di orpello di rame lunghi: diametro del tubo x 3,14 63mm fra i due tubi 20 mm

Eh Antenna
Ci deve essere un campo E e un campo H. Il campo E e' espresso in Volt/metro mentre il campo H è espresso in Amper-spire/metro


Take off angle of horizontal antenna

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

Build a Three-Way Antenna Switch and Display

Build a Three-Way Antenna Switch and Displa To use a wireless relay to select one of two high current capacity power relays

Calculo da Antena Bazooka

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 factor