Hi I would *guess* that fountains would be in there somewhere ( at least in the 2021 version ).
Bob > On Mar 28, 2021, at 9:03 AM, Anders Wallin <anders.e.e.wal...@gmail.com> > wrote: > > FWIW here are plots of TAI-weight from the 'w' file for 2021.01. The > 5071A's are at most 8%. Masers are >87%. > These sum up to ca 95% - not sure where the missing 5% is.. > Going back to much before 2014 might show larger weight for the 5071As - I > can post python code for the figures if someone is eager to try... > > AW > > > > [image: TAI_weight_clockype.png][image: TAI_weight_lab.png] > > On Sat, Mar 27, 2021 at 4:03 PM Demetrios Matsakis via time-nuts < > time-nuts@lists.febo.com> wrote: > >> I’ve attached an old paper of mine, from PTTI-2000. >> >> I’ve also attached the latest BIPM file of TT. If you want long-term >> stability it is best to use that file to compute TT-EAL and TT-TAI and then >> re-reference the clock data you get from the BIPM. The BIPM algorithm for >> EAL/TAI/UTC changed in 2014 so if you stick with TT you re fine. Since it >> is computed every 10 days, you might want to spline-interpolate to get the >> in-between points. Or just interpolate. >> >>> >> _______________________________________________ >> time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send >> an email to time-nuts-le...@lists.febo.com >> To unsubscribe, go to and follow the instructions there. > <TAI_weight_clockype.png><TAI_weight_lab.png>_______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send an > email to time-nuts-le...@lists.febo.com > To unsubscribe, go to and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send an email to time-nuts-le...@lists.febo.com To unsubscribe, go to and follow the instructions there.