Andy Kunz wrote:
>
> >        i don't think using the mains for refrence frequency will give
> >you a stable clock.
>
> Vishram, maybe not in India but here in the USA the mains are a very
> reliable source, accurate to within seconds per month.  It varies in
> reliability greatly from country to country.  For a thing we did for
> Taiwan, we were pretty certain there wouldn't be ANY power for extended
> periods of time.
>
> "It all depends..."
>
> Andy
>
> ==================================================================
> Andy Kunz - Montana Design - 409 S 6th St - Phillipsburg, NJ 08865
>           Hardware & Software for Industry & R/C Hobbies
>         "Go fast, turn right, and keep the wet side down!"
> ==================================================================

Here in Heraklion the capital of Crete (a Greek Island approx 15,000
sq km., population 1,000,000)
At least one hour a week we have a power cut.
For two mounths last year the frequency (50hz) was controled
buy hand !!!

"it all depends...."
Is certainly the answer

--
Peter Cousens
email: peter@cousens.her.forthnet.gr
snailmail: Peter Cousens, karteros, Heraklion, Crete, 75100, Greece,
phone: + 3081 380534,    +3081 324450   voice/fax

After Bill Gates announced to the world that he was Microsoft,
his wife was asked to comment. She said that as his wife, she
had been the first to notice this problem