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Does a 1/2 wave antenna need a ground plane?

Does a 1/2 wave antenna need a ground plane? 

Answer: No.

The 1/2 wave antenna (also called a dipole antenna) is built of two 1/4 wave elements that interact with one another to launch the electro-magnetic wave. It does not require a ground plane to work efficiently. In fact it is best to install the 1/2 wave antenna at least 8 inches from any nearby metal objects for better performance.
Last updated: Aug 23, 2017

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