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Half Square Antenna

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    Half Square Antenna

    In this video, I head out to the park to build and test the Half-Square antenna.
    This simple full-wavelength wire antenna has some impressive features: about 3.6 dBi of gain broadside and a low takeoff angle, making it excellent for DX.

    I’ll cover the basic configuration, show some modeling results, set it up in the field, and compare it to a vertical using the RBN and KiwiSDR. Finally, I’ll put it on the air and see how it performs with real contacts.

    The Half-Square consists of two vertical ¼-wavelength wires connected by a ½-wavelength horizontal wire. It can be built as a simple current-fed monoband antenna or as a voltage-fed multiband antenna using a 49:1 unun.


    73 Al 4L5A
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