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Radio Stations |
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Services |
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Standards |
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Time Transfer |
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Metrology |
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Research |
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Data |
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![](https://webarchive.library.unt.edu/eot2008/20090103150236im_/http://tf.nist.gov/timefreq/images/space.gif) |
![](https://webarchive.library.unt.edu/eot2008/20090103150236im_/http://tf.nist.gov/timefreq/images/space.gif) |
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NIST Time Scale Data and Bulletin Archive
Updated monthly
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NIST no longer sends the Time and Frequency Bulletin by mail.
However, the bulletin is produced monthly as a PDF document that can be downloaded here
using the Adobe Acrobat Reader.
To display a bulletin, simply select and click the bulletin date from the menu.
The bulletins are available back to January 1997.
The NIST Time Scale Data is updated monthly. Direct questions to Eyvon Petty: pettye@boulder.nist.gov
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