In article .com,
Glenn Gundlach wrote:
I'm sitting here looking at my homebuilt digital clock that is counting
120 zero crosses of the AC line as its 1 second time base. Motorola
processor. Do you need the absolute accuracy or would counting
2,592,000 AC zero crosses do the trick?

In the UK, the mains frequency might well average out at 50 Hz over 24
hours, but that's not the same as being absolutely accurate over any 6
hour period. Can't see the US being any different.

--
*The man who fell into an upholstery machine is fully recovered.*

Dave Plowman London SW
To e-mail, change noise into sound.