Richard Harrison wrote:
You actually get about 3 dBd gain from two !/2-wave dipoles when there
is a 1/2-wave space between their adjacent ends versus only a 1.5 dBd
gain when there is only the space of a short insulator between the ends
of the 1/2-wave dipoles.

Too bad coils don't have a phase shift through them. :-) If they did,
a phase-reversing coil could be used in that "short insulator space"
to bring the gain back to about 3 dBd as described by Kraus in
_Antennas_for_all_Applications_, vol 3.
--
73, Cecil http://www.qsl.net/w5dxp



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