OK. Now someone start up a Time-Gnats or a Volts-Gnats List. -John
============= >> -----Original Message----- >> From: [email protected] [mailto:[email protected]] On >> Behalf Of Mark Sims >> Sent: Wednesday, August 19, 2009 8:56 AM >> To: [email protected] >> Subject: [time-nuts] Accurate 1 pps signals >> >> Know where the heck you are down to a gnats ass and get that location >> into the unit with full accuracy. Errors in the saved antenna >> position from its true position have a definite effect on the quality >> of the output. Ideally have the antenna location surveyed in WGS84 >> coordinates. >> > > > OK.. just what is a gnat's ass in actual SI units? > > It's small.. > Is it a standardized unit drawn from physiology (like the yard or foot, > relative to King John's physical dimensions, or the cubit) > Is it a traditional term for some other standard unit (e.g. a "barn" being > 1E-24 cm^2 or a shake being 1E-8, both being from early nuclear weapons > development, and essentially a rounded value for some useful size: > cross-section for a nuclear reaction, and generation time for fission, > respectively) (I understand from some casual googling that the gnat's ass > is used by machinists to refer to a tenthousandth of an inch/tenth of a > mil, although none of the machininsts I know use the term. They talk in > tenths when being quantitative, and have somewhat earthier terms when > talking qualitative) > > What I did find with google was interesting.. I didn't know that gnat's > ass as a term for very small dated at least back to Aristophanes, although > the lines 160-164 in Clouds are still qualitative, not quantitative > (narrow, thin/subtle: stenos, leptos) > > Next up, we need to decide which species of gnat is being referred to.. > > _______________________________________________ > 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.
