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Subject:
Re: power mods for tube rigs.
From:
John Miller <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Thu, 15 May 2008 19:44:21 -0400
Content-Type:
text/plain
Parts/Attachments:
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that was through a tuner to my G5RV at a 1.1 SWR. It's good on the other 
bands I ran it on, I'll have to check a few things next time I have it on 
the air.
----- Original Message ----- 
From: "Howard Kaufman" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, May 15, 2008 7:34 PM
Subject: Re: power mods for tube rigs.


>I don't know how to neutralize that radio, but I'd be suspicious that it
> might be off.  130 watts is just safe.  Is that on a matched antenna or on 
> a
> dummy load?  If it is straight to an antenna, the resistance might be 
> lower
> than 50 ohms.  A mismatch can go either way.
> a class c amp should be around 75 per cent effecient.  180 watts in 135
> watts out.
>

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