On Jul 3, 2006, at 4:09 PM, wc6w@juno.com wrote:
>
>
> -- R L Measures <r@somis.org> wrote:
>
> Hi Rich,
>
>>> was the plate/anode white hot?
>>>
>>>
>>> Hi Rich,
>>> Not if the tube is operated at 90% efficiency.
>
>> And if the 4-250A is operated at 110% efficiency in high humidity,
>> frost will form on the envelope during lengthy transmissions?
>
> Fortunately, farsighted tube designers included the heater/filament
> to circumvent this likelyhood.
excellent chortle!
>
>> ...
>
> It does take a total of 9 variable coils & caps all motor driven.
> I'm not clever enough to chain them together.
Ouch
>
> True, it is not economical. I did state that this was an
> impractical approach in my first note.
>
> However, if the FCC should happen to change the rules so
> that "power" is measured at the AC cord, then we might be a mite more
> circumspect as to how we use it. :-)
IMO, the FCC could not care less about amateur radio as long as we
don't have any wardrobe malfunctions.
cheers, Marv
>
>
> http://wc6w.50webs.com/
>
>
>
>
>
>
>
> *
>
>
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R L MEASURES, AG6K. 805-386-3734
r@somis.org
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