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Re^2: I prefer this kind of clock or watch:

by swampyankee (Parson)
on Jan 17, 2006 at 16:24 UTC ( #523767=note: print w/ replies, xml ) Need Help??


in reply to Re: I prefer this kind of clock or watch:
in thread I prefer this kind of clock or watch:

You can buy them...I've seen them advertised in aviation mags. Only a few thousand USD.

Note that I am not talking about the "atomic clocks" usually advertised, which are "atomic" only in that they are synchronized via radio to one of the NIST's radio stations (WWUV, say), but the Real Thing. I'm at work so I'm not going to google AAAS or AIP to find them...

emc

" When in doubt, use brute force." — Ken Thompson


Comment on Re^2: I prefer this kind of clock or watch:
Re^3: I prefer this kind of clock or watch:
by blue_cowdawg (Prior) on Jan 17, 2006 at 18:06 UTC
        You can buy them...I've seen them advertised in aviation mags. Only a few thousand USD.

    Yeah... I've seen them too. I used to work at a US Navy Level II Calibration lab at the Naval Submarine Support Facility New London (NAVSUBSUPFACNLON for you milspeak types) in 1977. We used to have a bank of them to calibrate the standards that came off the submarines that were used for navigation (and other!) purposes.

    About once a quarter someone would get the choice assignment of driving down to Washington DC to NIST to get them calibrated.

    About 5 years ago I actually saw one at a hamfest for sale for real cheap. When I picked it up to look it over I realized why it was so cheap. Something was rattling around in there and I didn't want to go any further in my examination. One of these days I'll buy one, but it is real low on my priority list somewhere behind the stuff I am aquiring for my brewery! :-D


    Peter L. Berghold -- Unix Professional
    Peter -at- Berghold -dot- Net; AOL IM redcowdawg Yahoo IM: blue_cowdawg

      Even though I'm a light drinker -- I do about a beer a month -- the brewery sounds more useful than an atomic clock. 8-)

      emc

      " When in doubt, use brute force." — Ken Thompson

        You're right there... and you don't exactly need an atomic clock to know when it's beer time! :-D

Re^3: I prefer this kind of clock or watch:
by ambrus (Abbot) on Jan 17, 2006 at 22:33 UTC

    The problem is, just buying your own atomic clock won't make you know the exact time. Have you ever wondered why Coordinated Universal time is called Coordinated? Well, I don't know. It could either be because it's generated by multiple atomic clocks around the word that are synchronized together. Or it could be because it's syncronized by leap seconds to the cosmologic time defined by two trees of Valinor (the relevation of the Sun around the Earth since the reforms).

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