"Caveat Lector" wrote:
A discone has been described as a dummy load in the sky,
wide band but no gain.
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That is an incorrect description, though. A discone has zero loss, NOT zero
gain. It has ~ unity gain with respect to a 1/2-wave dipole, i.e. ~ 2.15
dBi gain. OTOH a perfect dummy load has infinite loss. Big difference.

RF