Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
atomic clock
|
| gptkbp:accuracy |
5 × 10⁻¹⁵
|
| gptkbp:country |
gptkb:United_States
|
| https://www.w3.org/2000/01/rdf-schema#label |
NIST-7
|
| gptkbp:location |
gptkb:Boulder,_Colorado
|
| gptkbp:operatedBy |
gptkb:National_Institute_of_Standards_and_Technology
|
| gptkbp:operationalPeriod |
1993–1999
|
| gptkbp:predecessor |
gptkb:NIST-6
|
| gptkbp:replacedBy |
gptkb:NIST-F1
|
| gptkbp:technology |
cesium beam
|
| gptkbp:usedAs |
primary frequency standard
|
| gptkbp:bfsParent |
gptkb:Master_Clock_for_the_United_States
|
| gptkbp:bfsLayer |
6
|