[Elecraft] Inverted L for 160 meters
David Gilbert
ab7echo at gmail.com
Wed Aug 26 13:07:24 EDT 2020
Radiation angle for a vertical antenna is much more a function of the
ground conductivity out several wavelengths than it has to do with the
current balance in the radials.
73,
Dave AB7E
On 8/26/2020 4:36 AM, Victor Rosenthal 4X6GP wrote:
> Kevin,
>
> My advice is to get Moxon's book, "Wire Antennas for All Locations."
> Follow his advice, which is (roughly): use four elevated radials at a
> level higher than an Elk's antlers. Make the radials equal in length,
> about 0.15 wavelength long, connect them together, and add an
> inductance in this common ground lead to resonate them. This helps
> equalize the currents in the radials, which keeps your radiation angle
> low.
>
> Do not use buried radials unless you have room for at least 16 of
> them. In that case they can also be about 0.15 wl long.
>
> 73,
> Victor, 4X6GP
> Rehovot, Israel
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