[Antennas] Running Ladder Line Through a Wall

[Don Snodgrass]

Hello all...

I concur with Clete.  I've used ladder line fed loops since 1972 and have 
always ran the feedline to the tuner without any difficulty.

73,

Don
K4QKY
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Don Snodgrass
1624 Tabard Drive
Murray, KY 42071
270-767-9944

http://webpages.charter.net/donsno
k4qky at charter.net

QTH.com website designer
http://www.k4qky.com/portfolio
k4qky at qth.com

<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
----- Original Message ----- 
From: "Cletus W Whitaker" <whitaker at pa.net>
To: <antennas at mailman.qth.net>
Sent: Thursday, September 09, 2004 12:27 AM
Subject: Re: [Antennas] Running Ladder Line Through a Wall


> de WB2CPN                 2004.09.09
>
> If the transmission line is a tuned line, as ladder
> line usually is, then the effect of inserting a section
> of parallel coaxial cable into the run depends upon
> so many factors that the mathematical analysis is
> mind-boggling.  Where the coax length is 1/8 wave
> length or less and not placed at a current node the
> overall loss could be insignificant.  In other
> circumstances the loss could be excessive.  You'll
> know, just run max power CW for a few minutes and
> go feel the coax.  Worse case is if the coax causes
> a complex admittance or impedance, however you look
> at it, that the tuner can't handle.  Again, you'll know.
> I don't usually try to protect the ladder line, just
> run it where ever it has to go, under windows, through
> air conditioning ducts, above false ceilings.  Just
> don't try to tape it to a metal pipe anyplace.
>
> 73  Clete
>
>
> - - -
> Your moderator for this list is:
> Larry Wilson KE1HZ antennas-owner at mailman.qth.net
> _______________________________________________
> Antennas mailing list
> Antennas at mailman.qth.net
> http://mailman.qth.net/mailman/listinfo/antennas
>