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Bidirectional Vertical Antenna for the 20- meter Band

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Bidirectional Vertical Antenna for the 20- meter Band: By: Nikolay Kudryavchenko, UR0GT

One Ground Plane allows get one directional switchable DD. For this purpose to the GP a two wires should be added. With help an RF Relay (or just with help of manually installed jumper) the wires turn on to Director and Reflector.....


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Contents for AntenTop 01- 2015


Design of the Bidirectional Vertical Antenna for the 20- meter Band

 

 

 

 

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Last Updated:

March 29, 2016 10:50

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