If your TOD is to be measured with sub-nanosecond accuracy, where do you measure from? The TOD of your head? Heart? Fingertips? Feet?
-John ============= > Mark J. Blair wrote: >> On Oct 24, 2010, at 1:58 PM, Poul-Henning Kamp wrote: >> >>> In message <[email protected]>, "Mark J. >>> Blair" wri >>> tes: >>> >>>> Does anybody know how many bits of precision are used >>>> on tombstones these days? >>> Most tombstones are engraved with CNC machines and while I have yet >>> to see a company advertise it as a competitive parameter, your vital >>> lack of stats will be engraved with better than 1/50mm precision. >> >> >> Oh, I was mostly concerned with the bits of precision used for the birth >> and death timestamps. >> >> >> > I should think that if you have left instructions with your executor, > they can have any arbitrary number of digits engraved, including an > estimate of uncertainty, if needed. You could even have them estimate > the Allan deviation of the various clocks involved, and have the > requisitite plots engraved as well. > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
