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gptkbp:instanceOf
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gptkb:government_agency
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gptkbp:abbreviation
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gptkb:USNO
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gptkbp:affiliatedWith
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gptkb:Department_of_Defense
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gptkbp:contributedTo
|
gptkb:International_Earth_Rotation_and_Reference_Systems_Service_(IERS)
gptkb:International_Astronomical_Union_(IAU)
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gptkbp:coordinates
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38.9215°N 77.0669°W
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gptkbp:country
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gptkb:United_States
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gptkbp:director
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Dr. Frank J. Cepollina (as of 2023)
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gptkbp:founded
|
1830
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gptkbp:fullName
|
gptkb:United_States_Naval_Observatory
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|
https://www.w3.org/2000/01/rdf-schema#label
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USNO
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gptkbp:location
|
gptkb:Washington,_D.C.
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gptkbp:notableAchievement
|
development of precise timekeeping standards
support of navigation and positioning systems
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gptkbp:notableInstitution
|
gptkb:Astronomical_Applications_Department
gptkb:Earth_Orientation_Department
gptkb:Time_Service_Department
gptkb:USNO_Flagstaff_Station
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gptkbp:notablePublication
|
gptkb:The_Astronomical_Almanac
gptkb:The_Nautical_Almanac
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gptkbp:operates
|
gptkb:atomic_clocks
gptkb:Master_Clock_for_the_United_States
radio telescopes
optical telescopes
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gptkbp:parentOrganization
|
gptkb:United_States_Navy
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gptkbp:primaryUse
|
astronomical observations
timekeeping
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gptkbp:provides
|
gptkb:astronomy
precise time for GPS
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gptkbp:website
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https://www.usno.navy.mil/
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gptkbp:bfsParent
|
gptkb:United_States_Naval_Observatory
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gptkbp:bfsLayer
|
5
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