Category:NIST-F1 atomic clock
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NIST-F1 caesium clock from 1999 with a relative time uncertainty of 1.7×10-15.
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| Location | Boulder, Boulder County, Colorado | ||||
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Media in category "NIST-F1 atomic clock"
The following 2 files are in this category, out of 2 total.
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Atomic clocks.jpg 480 × 374; 66 KB
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Nist-f1.jpg 382 × 550; 53 KB
