Hi If the frequency sensitivity is 1x10^-13 / G you don’t need a lot of precision in your measurement of G. The same issues apply to things like magnetic field and the rest.
Bob > On Dec 9, 2017, at 4:02 PM, Chris Caudle <ch...@chriscaudle.org> wrote: > > On Sat, December 9, 2017 2:39 pm, Magnus Danielson wrote: >> The standard acceleration is internationally agreed at 3rd CGPM in 1901 >> to be 9.80665 m/s^2. > > So does that mean e.g. NIST and BIPM need to measure the acceleration at > their respective locations to within parts in 10^17 or 10^18 in order to > compare their frequency standards? > That seems not practical. > -- > Chris Caudle > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
