Re: [TowerTalk] Transmission Line theory

[Kevin Schmidt <w9cf@ptolemy.la.asu.edu>]

A quick numerical calculation for squares of side 2cm with
3cm center-center gave me Z0=127.3 Ohms. This assumes perfect
conductors.

The approximate equation for large spacing is
Z0 -> 120*ln(2*separation/(1.18*side)) and gives 112 Ohms; so it is about
10 percent off.

I hope this helps,
73 Kevin w9cf
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