Re: [time-nuts] inexpensive, black box, GPS or NTP based TTL time capture?

Attila Kinali wrote: > On Wed, 18 Oct 2017 08:47:58 -0600 > Rob Seaman <https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts>> wrote: > > > I’m at the annual planetary sciences meeting (in Provo this year) and > > several > > groups have expressed intere

[time-nuts] inexpensive, black box, GPS or NTP based TTL time capture?

? One group has used: http://www.spectruminstruments.net/TM4.pdf <http://www.spectruminstruments.net/TM4.pdf> Thoughts? Many thanks! Rob Seaman University of Arizona ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to

Re: [time-nuts] [LEAPSECS] Leap second to be introduced at midnight UTC December 31 this year

Hi Tom, This message is an excellent example of why we invited you to speak at the Science of Time symposium ;-) It was a shame you couldn’t make it, since you would have made an excellent meeting even stronger. But future meetings in the series seem very likely and let me register an invitati

[time-nuts] Kinemetrics/Truetime WWVB model 60-dc?

note that another telescope elsewhere on the mountain appears to still be using a Datum model 9100 (via Forth software!) nightly (though with WWV, not WWVB?)* Does anybody have a manual for that unit? Rob Seaman University of Arizona — * there were even some IRIG w

[time-nuts] Science of Time draft program, filling in the corners

Your participation would be welcome, and in good company: http://sot2016.cfa.harvard.edu/Program/registrants.html <http://sot2016.cfa.harvard.edu/Program/registrants.html> Carpe Diem! Rob Seaman University of Arizona for the Science of Time organizing committee http://sot2016.cfa

[time-nuts] Science of Time, early registration deadline

/registrants.html Carpe Diem! Rob Seaman Catalina Sky Survey Lunar and Planetary Laboratory ___ 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] Science of Time, registration is open

uild a clock that will keep accurate time for 10,000 years. Please forward this announcement to any interested parties. Rob Seaman Catalina Sky Survey and Network Time Foundation ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to h

Re: [time-nuts] When NTP goes wrong...

eping issues. This reflects an ongoing need for public education that Time-nuts as well as NTF can help supply. Rob Seaman ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts an

[time-nuts] Time in the 10,000-Year Clock

c.org The preprint is available at: http://www.cacr.caltech.edu/futureofutc/preprints/10_AAS_11-665_Hillis.pdf Slides, transcribed discussions, and other papers may also be of interest to list members. Rob Seaman National Optical Astronomy O

Re: [time-nuts] Help - Hope?

and it still remains. The latency and limited capacity of communications satellites likely ensures that. Rob Seaman National Optical Astronomy Observatory ___ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts

Re: [time-nuts] Help - Hope?

s gone. Suggesting that the love of technological pursuits is dying out is kind of like those 19th century ruminations that all of scientific knowledge was well in hand, or that guy who figured out several decades ago that all possible songs had alr

Re: [time-nuts] Help - Hope?

bscriptions) in the beginning followed by a long tail. Mailing lists in general are most certainly mortal. On the issue of the world's breadth of technical insight and enthusiasm, there are no reasons to fret that weren't outlined in "Zen and the Art of Motorcycle Maintenance&quo

[time-nuts] UTC ~ GMT

tely felt by the next generation. [...] Let us have activism, not argument. Sometimes argument is the only activism available. I believe "unofficial" discussion is the only reason the "official" process has not proceeded to its intended completion. Rob Seaman National Opt

[time-nuts] Last one - I promise (was Re: UTC)

fundamental international standard, the process used to decide this new policy should represent the best of international cooperation - not the sneakiest. Anybody want to try for three tee-shirts? What fraction of the Earth's inhabitants believe that a day is defined to be a solar day?

[time-nuts] Re: UTC

lar time. It is just as wrong for the precision timing community to embrace the split second (but growing) errors of raw TAI as it would be to permit the nearly four minute daily error that sidereal clocks would impose on our lives. Rob Seaman National Optical Astronomy Observatory ___

[time-nuts] UTC

anyone who is looking for an easy way out. Time is complex. Embrace the complexity. Rob Seaman NOAO ___ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts

[time-nuts] (no subject)

ve been unilaterally broken by an insane attack on UTC itself, rather than on the civil time standard that happens to *reference* UTC. UTC is not civil time. Civil time at the current epoch uses UTC. UTC has a life of its own. Rob Seaman National Optical Astronomy Observatory _

[time-nuts] Re: UTC - A Cautionary Tale

(TAI - same instant) Multiple timescales will always exist. We should acknowledge that fact and move on. leap hours are 3,600 times more absurd! Common ground has been reached. Rob Seaman National Optical Astronomy Observatory ___ time-nuts

Re: [time-nuts] Re: UTC - A Cautionary Tale

ill have no opportunity to cleanly revisit the decision for hundreds of years. Time requires our best efforts - not those deemed by a few to be most expedient. Rob Seaman National Optical Astronomy Observatory ___ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts

Re: [time-nuts] Re: UTC - A Cautionary Tale

egic thought. I can no longer sit back and allow Communist infiltration, Communist indoctrination, Communist subversion and the international Communist conspiracy to sap and impurify all of our precious bodily fluids." Time is too important to

Re: [time-nuts] Re: UTC - A Cautionary Tale

ucate anybody if the civil time standard is left unchanged. Part of what is going on, however, is the simple and inevitable *education* of technical personnel whose projects have run afoul of previously unexamined real-world constraints. Rob Seaman National Optical Astronomy Observatory _

Re: [time-nuts] Re: UTC - A Cautionary Tale

eaucratic Time" if they want. The proposed change would be a fundamental shift in the philosophy of time, not some little bureaucratic realignment as it is being marketed. Rob Seaman National Optical Astronomy Observatory ___ time-nuts mailing list

[time-nuts] Re: UTC - A Cautionary Tale

ogrammers and managers to properly implement a self-consistent conceptual model that has been in place as an international standard for three decades. For many purposes the concept of time can be as sloppy as you want. Are these the purposes for which this list exists? Rob Seaman N

[time-nuts] Re: UTC - A Cautionary Tale

complexity that is inherent in time. This is a task worthy of our best efforts. Rob Seaman National Optical Astronomy Observatory ___ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts

[time-nuts] Re: UTC - A Cautionary Tale

iatus working to improve UTC rather than to sabotage it. I find it surreal that it is the precision timing community who are arguing that the public have no need for access to precision time. Rob Seaman NOAO ___ time-nuts mailing list time-nuts@febo