[AMRadio] RG-6 Coax

jeremy-ca km1h at jeremy.mv.com
Sat Jan 5 22:02:08 EST 2008

Ive run a KW thru RG-6 on 80M for many years. As long as the VSWR is low so 
is the voltage which is only 274V.


----- Original Message ----- 
From: "Jim Wilhite" <w5jo at brightok.net>
To: "Discussion of AM Radio in the Amateur Service" 
<amradio at mailman.qth.net>
Sent: Saturday, January 05, 2008 9:16 PM
Subject: Re: [AMRadio] RG-6 Coax

> You are correct but I wouldn't consider using it for transmitting on any 
> radio with power more than about 25 watts.
> The original RG 6 was made well but today finding a consistent quality 
> cable is almost impossible unless you buy the best US specified brand, 
> which is almost as expensive as LMR type cable.
> Even then, you are taking a chance if you try to put much over 25 watts 
> into it.
> Jim/W5JO
>>I believe it's in the neighborhoon of 72 ohms. Typical video cable.
>>> Does anyone know off hand the impedance of RG-6?  I was given a hundred 
>>> feet
>>> or so I'd like to use with my UHF antennas, but the cable guy didn't 
>>> know
>>> the impedance.  Google showed some specs, but I gave up before I got the
>>> impedance.
>>> Thanks,
>>> Rick/K5IAR
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