[Amps] Ten-Tec Titan 10 Meter Input SWR

Bill Turner dezrat at outlook.com
Sun Jun 11 12:53:44 EDT 2017


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On Sun, 11 Jun 2017 09:38:54 -0700, VE7RF   wrote:

>##  On a related note,  why is it, when I increase the length of 50 ohm coax  from my drake amps to the xcvr, that the
>input swr rises ??   Its flat  with  4 ft or less.... but rises when say 5-8 ft is used.  Thats on all bands. 
>
>Jim   VE7RF    

REPLY:

My understanding is that's a false reading caused by current flowing
on the outside of the coax braid. The true SWR does not change. 

73, Bill W6WRT


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