U.S. Naval Observatory Master Clock
GPTKB entity
Statements (23)
Predicate | Object |
---|---|
gptkbp:instanceOf |
atomic clock
|
gptkbp:broadcasts |
gptkb:Coordinated_Universal_Time_(UTC)
USNO time signals |
gptkbp:composedOf |
cesium atomic clocks
hydrogen maser clocks |
gptkbp:coordinates |
gptkb:International_Bureau_of_Weights_and_Measures_(BIPM)
National Institute of Standards and Technology (NIST) clock |
gptkbp:established |
1960s
|
https://www.w3.org/2000/01/rdf-schema#label |
U.S. Naval Observatory Master Clock
|
gptkbp:locatedIn |
gptkb:United_States_Naval_Observatory
gptkb:Washington,_D.C. |
gptkbp:operatedBy |
gptkb:United_States_Department_of_the_Navy
gptkb:United_States_Naval_Observatory |
gptkbp:provides |
official time for the United States
|
gptkbp:usedFor |
gptkb:military_operation
gptkb:navigation scientific research telecommunications timekeeping GPS timing |
gptkbp:website |
https://www.usno.navy.mil/USNO/time
|
gptkbp:bfsParent |
gptkb:NIST_Master_Clock
|
gptkbp:bfsLayer |
8
|