KC1DI wrote:
The short answer is no to the question of the impedence being the
same. though the current would be halfed in each line. I'm not sure
that I have see a four wire open line in the past but if my memory is
correct it fed two dipoles not one.

An interesting article on such is "Quadro-Line: The Ideal
UHF Transmission Line", ARRL Antenna Compendium, Vol. 3.
It's four box-spaced wires in a parallel type transmission
line. Two adjacent wires have a Z0 of 200 ohms. Paralleling
the four wires yields a Z0 of 100 ohms. Choosing two diagonal
wires yields a Z0 of 250 ohms.
--
73, Cecil http://www.qsl.net/w5dxp

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