Telegrapher9@aol.com wrote:
> When elevated radials are mentioned they are often full 90-degree radials.
> The low impedance presented by the radials makes decoupling the coaxial cable
> shield easy.
Unfortunately, not.
As an EZNEC computation can show, even with a large number of elevated
90-degree radials, there can be a lot of common mode current, and balun
requirements are much stronger than for, say, a horizontal dipole.
This is due to the lack of symmetry in the system.
73,
Sinisa YT1NT, VE3EA
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