[Top] [All Lists]

Re: [TowerTalk] Measuring Coax Loss

To:, "Tower and HF antenna construction topics." <>
Subject: Re: [TowerTalk] Measuring Coax Loss
From: "Richard (Rick) Karlquist" <>
Reply-to: "Tower and HF antenna construction topics." <>
Date: Fri, 12 Feb 2010 09:08:06 -0800
List-post: <">>

Gary Schafer wrote:
> Hi Rick,
> I don't think that I have used the method that you describe. What happens
> when the cable length approaches a quarter wave length? Or is this only
> valid at a small fraction of a wave length?
> 73
> Gary  K4FMX

After posting this, I realized that to make it work you have to add
a series capacitor to the 10 foot piece of coax to make it resonant;
IOW an electrical quarter wave.  If the coax is quarter wave resonant
without the capacitor, you can still use the same technique.

Rick N6RK

TowerTalk mailing list

<Prev in Thread] Current Thread [Next in Thread>