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Հարց 369

Where should the radial wires of a ground-mounted vertical antenna system be placed?

  1. As high as possible above the ground
  2. Parallel to the antenna element
  3. On the surface or buried a few inches below the groundՃիշտ պատասխան
  4. At the center of the antenna

Բացատրություն

The radials of a ground-mounted vertical carry the return current and screen it from lossy soil, and they can only do that if they are in intimate contact with the earth, so they go on the surface or a few inches down.

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Հարց 369: Where should the radial wires of a ground-mounted vertical… · FCC General Class (Element 3) · Questena