In message <[EMAIL PROTECTED]>, "Bill Hawkins" writes
:

>Power companies bill on time-integrated power - watt-hour
>meters in the US. Watt-hour meters are still mostly driven
>by electric clocks, in a way. The frequency does matter.

Uhm, sorry, that is just plain wrong.  The Ferrantis (sp?) power
meter which is the most widely used meter in the world is not
frequency sensitive within a band of +/- 10% or more.

>1. It is unlikely that any power network just lets itself go,
>with no standard time/frequency to hold. The under-frequency
>relays would make that hazardous.

Does not follow.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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Never attribute to malice what can adequately be explained by incompetence.

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