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History > Science > Accuracy of his...
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Accuracy of historic atomic clocks

by "roger" <roger@[EMAIL PROTECTED] > Jul 31, 2007 at 04:03 PM

Hi, 
does anybody know what the accuracy rate was
of the old atomic clocks NBS-4 and NBS-5 ?
(they were developed in the years 1968 to 1972 or so)




 8 Posts in Topic:
Accuracy of historic atomic clocks
 "roger" <rog  2007-07-31 16:03:44 
Re: Accuracy of historic atomic clocks
 Randy Poe <poespam-tra  2007-07-31 07:19:42 
Re: Accuracy of historic atomic clocks
 "roger" <rog  2007-07-31 18:04:42 
Re: Accuracy of historic atomic clocks
 "roger" <rog  2007-07-31 22:30:19 
Re: Accuracy of historic atomic clocks
 smallpond <smallpond@[  2007-07-31 14:26:12 
Re: Accuracy of historic atomic clocks
 "roger" <rog  2007-07-31 23:37:00 
Re: Accuracy of historic atomic clocks
 Odysseus <odysseus1479  2007-09-06 11:15:26 
Re: Accuracy of historic atomic clocks
 Marvin <physchem@[EMAI  2007-09-06 18:30:59 

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