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Re: [Amps] 6kW Coax

To: amps@contesting.com
Subject: Re: [Amps] 6kW Coax
From: Steve Thompson <g8gsq72@gmail.com>
Date: Sun, 11 Mar 2012 22:41:47 +0000
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Seems my memory is sort of ok.

http://www.microwaves101.com/encyclopedia/why50ohms.cfm

Steve

> I thought 35ohm was max power rating, 75ohm was minimum loss? 
> Hence 75ohms being the standard for CATV.
> 
> Steve
> 
>> Why all this talk of using 75 ohm cable?
>>  At the power level in question, inefficiencies add up quickly.
>>  At somewhere in the vicinity of 35 ohms, transmission losses are at a 
>> minimum.
>>  Am I missing something here?
>>  73, AB3HT

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