On Thu, Nov 14, 2002 at 11:34:48PM -0500, K7LXC@aol.com wrote:
> In a message dated 11/14/02 12:48:06 PM Pacific Standard Time,
> alwilliams@olywa.net writes:
>
> > If the insulation in foam type coax gets wet, does that effect the vswr?
>
> It shouldn't unless there's a cut in the jacket that allows water to get
> it. The more common problem is water in the connector due to poor
> weatherproofing.
>
> > Or, if the vswr is low, does that confirm that the coax has
> > not get wet inside?
>
> Mostly. If it looks like an antenna (dip in the swr), everything is okay.
> If you've got high swr EVERYWHERE, then it's usually a coax/connector problem.
But if the VSWR is low everywhere (with a narrow-band antenna), that
could also indicate bad coax.
Bob, N7XY
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