rich kennedy via Topband <[email protected]> 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 _________________ Topband Reflector Archives - http://www.contesting.com/_topband
