[Boatanchors] Question on distorting coax shape

[Dave Brown]

Not exactly an answer to your question but atlc-arbitrary transmission line 
calculator,  might let you assess some typical scenarios as regards the 
impedance changes from these 'incidents'.  Google for it-its on sourceforge 
for one.
 73
 Dave
ZL3FJ

----- Original Message ----- 
From: "John Hensley" <w5jv at hotmail.com>
To: <antennas at mailman.qth.net>; "MilSurplus QSLNet" 
<milsurplus at mailman.qth.net>; <manual_exchange at yahoogroups.com>; 
<boatanchors at mailman.qth.net>
Sent: Thursday, December 20, 2012 12:58 PM
Subject: [Boatanchors] Question on distorting coax shape


>
>
>
>
> I'm looking for some test data, preferably a chart or two, which might 
> show how the technical specifications of coax (impedance, frequency 
> efficiency, et al) are affected when the coax shape is deformed, e.g. as 
> the coax cross sectional shape is distorted or changed.
> For example, imagine a worker dropping coax down from a tower and, using a 
> tie wrap gun, over tightens the tie wrap so that the coax is squeezed out 
> of shape.  Or, imagine the coax is flattened at a point because of some 
> other event.
> QSO via private or list email is okay.
> Thanks,
> John W5JV
>
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