It's one of the most accurate frequency devices in the world. It's not a clock in the sense of telling the time of day but it creates different frequencies out of the back 1, 5, and 10 MHz based on the behavior if the Cesium atoms in it's Cesium beam tube. The SI definition is: The second is the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom. This is what it does essentially... Monitor this hyperfine transition to create the most accurate frequency references. Some are good to 10 to the minus 13.
Bill On Sun, Apr 19, 2020, 12:54 PM martin martin <[email protected]> wrote: > Looks good! > Does it keep time? > > On Tuesday, April 7, 2020 at 8:01:45 PM UTC-7, martin martin wrote: >> >> This is interesting from Russia... >> >> >> https://www.ebay.com/itm/ASSEMBLED-ILC1-1-8L-VFD-CLOCK-WATCH-WITH-giant-TUBES-REMOTE-and-TEMP-EXCLUSIVE/223931420395?_trkparms=aid%3D777001%26algo%3DDISCO.FEED%26ao%3D1%26asc%3D225074%26meid%3D385167be714340ea96b2377bada59081%26pid%3D100651%26rk%3D1%26rkt%3D1%26mehot%3Dnone%26itm%3D223931420395%26pmt%3D1%26noa%3D1%26pg%3D2380057%26algv%3DPersonalizedTopicsRefactor&_trksid=p2380057.c100651.m4497&_trkparms=pageci%3Ae27a159a-7944-11ea-8d53-74dbd180e88b%7Cparentrq%3A57b9ee3a1710acc402ab2150fff4d21c%7Ciid%3A3 >> >> >> -- > You received this message because you are subscribed to a topic in the > Google Groups "neonixie-l" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/neonixie-l/PIokgjkmIB0/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/2593630f-fb5f-4524-a4fd-e9399db41f91%40googlegroups.com > <https://groups.google.com/d/msgid/neonixie-l/2593630f-fb5f-4524-a4fd-e9399db41f91%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/CADToqn24mb1hhFG9UgC%2BGsv%2B9mjMfko9WYsccXUY-Sy5Z%3DTKag%40mail.gmail.com.
