> >> Isn't it defined for zero sea-level, that is standard acceleration? > > How do you define sea level?
http://en.wikipedia.org/wiki/EGM96 http://earth-info.nga.mil/GandG/wgs84/gravitymod/egm2008/egm08_wgs84.html > > Daniel Kleppner's Time Too Good to Be True in > Physics Today, March 2006 > pointed out that the time-geeks will soon own the definition of sea level. You need to use a lot of time-geek-tools to have a working GPS or VLBI system. /Björn _______________________________________________ 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.
