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[AMPS] Re question

To: <amps@contesting.com>
Subject: [AMPS] Re question
From: km1h@juno.com (km1h @ juno.com)
Date: Thu, 20 Nov 1997 08:57:28 EST
On Thu, 20 Nov 1997 07:17:51 +0000 w8jitom@postoffice.worldnet.att.net
writes:
>> From:          Peter Chadwick <Peter.Chadwick@gpsemi.com>
>
>> Isn't the Bird slug the same? There's mutual inductance between the
>> centre of the coax line and the slug, and similarly there's 
>capacitance
>> between the  line and the slug.
>
>Exactly the same. I can't think of how to make one that isn't the 
>same.
>
>The all respond to the SUM of line voltage and current. Within the 
>published accuracy of the meter (+ or - 5% of FS anywhere on the 
>scale), all you need do is subtract reflected from forward power to 
>establish the true power.
>73, Tom W8JI


Tom or others:
Has anyone converted a 50 Ohm Bird slug to 75 Ohm use? Bird used to sell
a 75 Ohm version of the 43 but has discontinued it.
I realize the line section is also designed for 50 Ohms but was just
wondering what the possibilities are. 

Tnx   Carl  KM1H

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