rich kennedy via Topband <topband@contesting.com> wrote:
> When base-mounting a loading coil (inductor) on a shortened
> monopole vertical, is there a preferred method for the physical
> placement of the coil? Is it better to orient the coil in
> the vertical axis, horizontal axis; very close to the radiator
> element or a number of feet away; positioned close to ground
> level or elevated (such as on a mounting post ~ 3 feet above ground)?
> Assume freq = 1.83 mHz; H = 70 feet aluminum; soil = average to
> good; small capacitive hat (spokes, 5’ diameter).
Orientation doesn't matter.
Place it as you would place any other inductor,
i.e. 1-2 coil diameters away from other metallic objects, and from soil.
Protect it from elements, and that's it.
73,
Sinisa YT1NT, VE3EA
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