|
gptkbp:instanceOf
|
gptkb:government_agency
astronomer
|
|
gptkbp:address
|
3450 Massachusetts Avenue NW, Washington, D.C.
|
|
gptkbp:contributedTo
|
gptkb:Global_Positioning_System_(GPS)
navigation charts
astronomical almanacs
|
|
gptkbp:coordinates
|
gptkb:National_Institute_of_Standards_and_Technology
gptkb:International_Bureau_of_Weights_and_Measures
38.9215°N 77.0669°W
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|
gptkbp:country
|
gptkb:United_States
|
|
gptkbp:director
|
gptkb:Dr._Paul_M._Finn
|
|
gptkbp:founded
|
1830
|
|
gptkbp:historicalEvent
|
discovered moons of Mars (Phobos and Deimos)
|
|
gptkbp:historicalName
|
gptkb:Depot_of_Charts_and_Instruments
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
US Naval Observatory
|
|
gptkbp:location
|
gptkb:Washington,_D.C.
|
|
gptkbp:manages
|
gptkb:Master_Clock_of_the_United_States
|
|
gptkbp:notableBuilding
|
gptkb:Vice_President's_residence
|
|
gptkbp:notablePerson
|
gptkb:Asaph_Hall
|
|
gptkbp:operatedBy
|
gptkb:United_States_Navy
|
|
gptkbp:parentOrganization
|
gptkb:United_States_Department_of_the_Navy
|
|
gptkbp:primaryUse
|
astronomical observations
navigation support
timekeeping
|
|
gptkbp:provides
|
official time for the United States
|
|
gptkbp:telescopeType
|
12-inch refractor
26-inch refractor
|
|
gptkbp:timezone
|
gptkb:Eastern_Time_Zone
|
|
gptkbp:touredWith
|
offered monthly
|
|
gptkbp:website
|
https://www.usno.navy.mil/
|
|
gptkbp:bfsParent
|
gptkb:cesium_atomic_clock
|
|
gptkbp:bfsLayer
|
6
|