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Re: [TowerTalk] 75ohm cable

To: Carol Richards <>
Subject: Re: [TowerTalk] 75ohm cable
From: Tom Haavisto <>
Date: Mon, 19 Jul 2010 19:27:54 -0400
List-post: <">>
This is how to match 50 to 75 ohm, and then back again.  Single band only

Tom - VE3CX

On Mon, Jul 19, 2010 at 11:47 AM, Carol Richards <> wrote:
> I am the proud recipent of numerous rolls of 75 ohm, 1/2 in CATV cable. Since 
> all of my antennas require 250ft or mor runs this is a real blessing. I have 
> a few questions before I start replacing the RG 213.
> 1. All of my yagis are 50 ohm, fed through rf chokes to the feed point. Can I 
> just connect the 75 ohm and not worry about the small mismatch or do I need 
> to  use some type of matching network?
> 2. Are there commercial matching networks to do the job I want that will 
> handle 1.5kw?
> 3. I have several articles that allow me to make PL-259's to fit this coax. 
> Is there an easier way?

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