PP 304's ! What a beautiful sigh with eight bright filaments and plates. At
twenty-five cents per tube, in the late 40's, you couldn't go wrong.
Ten meters was also HOT. Fun times.
Later
BillHarris-w7kxb
> From: Rsoifer@aol.com
> Date: Thu, 17 Jun 2010 09:36:30 -0400
> To: geraldj@weather.net; tentec@contesting.com
> Subject: Re: [TenTec] Orion AM ALC
>
> Jerry is right about power limits. Under the present rule limiting PEP
> output, there is no point in running more than 100% positive modulation, or
> much more than that anyway. As for the 1950s "ultra modulation" system, as
> I mentioned earlier we had one at W1MX and to my knowledge we never got a
> splatter complaint. I can't tell you, however, how much over 100% we
> actually went -- probably not too much over, due to the tubes (pair of
> 304THs
> modulating a pair of 304TLs), transformers and power supply. I just don't
> remember, because I operated mainly CW then as I do now. I used AM only to
> keep skeds.
>
> 73 Ray W2RS
> .
>
>
> In a message dated 6/17/2010 3:06:09 A.M. GMT Standard Time,
> geraldj@weather.net writes:
>
> m
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