Since 1cm of motion is equivalent to 30ps, there's probably not On Tue, 20 Jun 2017 at 10:11 pm, Didier Juges <shali...@gmail.com> wrote:
> If that is not time-nutty, I do not know what will :) > > On Jun 20, 2017 7:04 AM, "jimlux" <jim...@earthlink.net> wrote: > > > > > for geodetic measurements, they drill a hole down to bedrock, and run a > > pipe down to anchor the antenna to the bedrock. > > > > "All holes shall be drilled straight enough so that PVC casing can be > > installed in the top 15.5 ft of each hole, and that the steel pipe can be > > freely lowered, not forced, for its entire 35 ft length." > > > > http://kb.unavco.org/kb/article/deep-drilled-braced-monument > > -overview-300.html > > http://www.scign.org/arch/sdb_monument.htm > > > > > > Google for Ken Hudnutt's or Frank Webb's papers > > > > > > or a 3m tall monument for a CORS station > > > > http://www.mwrtk.net/support_docs/corsinstallprocedures.pdf > > > > _______________________________________________ > > time-nuts mailing list -- time-nuts@febo.com > > To unsubscribe, go to https://www.febo.com/cgi-bin/m > > ailman/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. > _______________________________________________ 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.