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Re: [Amps] Ten-Tec Titan 10 Meter Input SWR

To: Amps group <>
Subject: Re: [Amps] Ten-Tec Titan 10 Meter Input SWR
From: Bill Turner <>
Date: Sun, 11 Jun 2017 16:45:00 +0000
List-post: <>
------------ ORIGINAL MESSAGE ------------(may be snipped)

On Sun, 11 Jun 2017 14:27:00 +0000 (UTC), Cathy wrote:

> Isn't SWR the ratio between the impedance seen at the measurement point vs. 
> the desired impedance at that point?


Not quite. It's the radio between the antenna's impedance and the coax
impedance. That ratio is fixed regardless of the coax length, except
as I said, for very long lengths of coax where line loss comes into
play.  Check any ARRL Handbook of ARRL Antenna book for a further
explanation. It's a little complicated but well worth the time spent. 

73, Bill W6WRT
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