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[TowerTalk] 75:50 ohm transformers

To: <>
Subject: [TowerTalk] 75:50 ohm transformers
Date: Fri, 7 Nov 1997 07:26:14 -0600
I put connectors on a 112 ft piece of 1/2 inch CATV 75 ohm hardline,
connected it to a 50 ohm dummy load, and observed a 1:1 match
on 10, 15, 20, and 40 meters.  

de  Tom N4KG

On Mon, 20 Oct 1997 12:54:00 -0700 "Woods, Eric D (pb-Edwoods)"
<> writes:
>Be careful..The primary constants (R,G,L,C) are NOT constant with 
> Your electrical half wave multiple on one band may NOT be a half 
>multiple on another.
>Eric, K6GV
> ----------
>If you make your 75 Ohm lines a multiple of  one HALF wavelength on 
>the load impedance will be presented back at the input end on 10, 15, 
>& 40M,
>with no need for any transformers since impedances repeat themselves
>half wavelength in a transmission line.  This works well up to 225 ft.

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