bro...@pacific.net said: > I wonder if NIST has one of the GWR gravitymeters on a pier and uses that to > discipline their fountain clocks for the elevation change of the pier or if > that's done for the GPS reference antennas?
Radio astronomers pay serious attention to earth tides. For VLBI, they need to know where their antennas are located down to a fraction of a wavelength. An example, from google: Tidal deformations of the earth from VLBI observations http://link.springer.com/article/10.1134%2FS1063773712050027 -- These are my opinions. I hate spam. _______________________________________________ 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.
