Friday, May 10, 2019

Simple Ground-Plane Vertical. Post 1863.

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If you're looking for a simple, inexpensive, and effective HF antenna for your shack or for the upcoming ARRL Field Day, then this basic 40 meter ground-plane antenna from Stan Gibilisco (W1GV) maybe your answer.  In fact, this was the first antenna I used when I became a novice ham radio operator back in 1977.
In addition to the 40 meter band, I also was able to make contacts on the 15 meter band using the third fundamental of the 40 meter frequency.

The antenna is simplicity itself.  In this antenna, the 40 meter element and each of its ground radial wires are 33 feet/10.06 meters long.  I used a telescoping fiberglass mast to support the vertical element and some left over "zip cord" for the ground radial system.  I fed the antenna with 50 feet/15.24 meters of RG-8 coaxial cable.  Like Stan's design, my SWR was approximately 1.5:1.  During my year as a novice operator, I made many contacts throughout the mainland United States and Asia from my Hawaii Island QTH.

You can find most of the materials for this easy-to-make antenna at the nearest building supply outlet or neighborhood hardware store.

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Aloha es 73 de Russ (KH6JRM).

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Aloha es 73 de Russ (KH6JRM).