Hi: https://www.nist.gov/si-redefinition/second/second-present
NIST Launches a New U.S. Time Standard: NIST-F2 Atomic Clock https://www.nist.gov/news-events/news/2014/04/nist-launches-new-us-time-standard-nist-f2-atomic-clock First accuracy evaluation of NIST-F2 (behind paywall) https://iopscience.iop.org/article/10.1088/0026-1394/51/3/174 -- Have Fun, Brooke Clarke https://www.PRC68.com axioms: 1. The extent to which you can fix or improve something will be limited by how well you understand how it works. 2. Everybody, with no exceptions, holds false beliefs. _______________________________________________ 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.
