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Old April 10th 06, 08:09 PM posted to rec.radio.amateur.antenna
Tom Donaly
 
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Default Gamma. Before somebody tells me.

Wes Stewart wrote:
On Mon, 10 Apr 2006 10:43:18 -0500, "Steve Nosko"
wrote:


"Cecil Moore" wrote in message
. com...

Reg Edwards wrote:

But, believe it or not, under certain load conditions the reflection
coefficient Gamma can exceed unity. Indeed, at a sufficiently low
frequency, Gamma can approach 1+Sqrt(2) = 2.414

That agrees with Chipman who says it only occurs in lossy lines.
--
73, Cecil http://www.qsl.net/w5dxp


Yes. A lossy line nas a non purely real (some X) Zo.



Or it doesn't.

Chipman also says, "It has already been noted that if the losses are
due equally to R and G, Zo is real, no matter how high the losses
are."



All you need is a line where R/L=G/C. This is the famous distortionless
line. It was probably invented long before Chipman. I don't know what
an amateur would want one for.
73,
Tom Donaly, KA6RUH
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