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Old March 18th 06, 09:14 PM posted to rec.radio.amateur.antenna
Gary Schafer
 
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Default Current through coils

On Sat, 18 Mar 2006 19:57:32 GMT, Cecil Moore
wrote:

Reg Edwards wrote:
- - - and I get the impression nobody learned anything!


You think nobody learned anything from the fact that
measuring standing wave current phase is meaningless?
If nobody learned anything, they would no doubt still
be contributing to the technical discussion.

Here's what I think happened. Person A and Person B
engage in an argument and both are wrong. Person A
believes he cannot possibly be wrong so he digs in and
argues his rigid position. Person B realizes that he may
be wrong and uses the scientific method to fine tune his
argument thus correcting any errors along the way.

Which person has the advantage and is likely to win
the argument?



I tried learning something. I didn't get to read the whole thread so
may have missed the important part?

When the measurements of the coil were done on the bench it seems that
it was done with 50 ohms in and 50 ohms out. That hardly seems like it
would give the same information as when the coil was in actual use as
an antenna loading coil.

Rather than a 50 ohm load how about if a load was placed at the end of
the coil to simulate the antenna, a resistor and capacitor to take the
place of the antenna impedance and reactance. Then measure the current
in and out and the phase shift.

73
Gary K4FMX

 
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