Thread: Dual-Z0 Stubs
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Old May 8th 09, 01:37 AM posted to rec.radio.amateur.antenna
Jim Kelley Jim Kelley is offline
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First recorded activity by RadioBanter: Jul 2006
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Default Dual-Z0 Stubs

Cecil Moore wrote:
Jim, I ask you again: How can one possibly use the
following current as reported by EZNEC to measure
the delay through a wire or through a loading coil?


Ask as many times as you like. You're asking me explain how to use a
printout from a computer program to measure current. The question makes
no sense, Cecil. What I'd like to know is how is one supposed to
respond to such nonsense.

If what you want to know is how to measure current on a coil, I suggest
that you need to build a current probe. Ask W8JI about it. According
to your reference, the Corum paper, you would then plot current as a
function of position along the axis of the helix. From that one can
determine the axial length of the standing wave pattern - the length of
the wave, so to speak. Given the frequency and the wavelength, one can
easily arrive at the propagation velocity. If you need help with it,
good luck.

ac6xg