Talk:United States Naval Observatory

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Astronomy Mid‑importance

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History of Science

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Military history: Maritime / North America / United States

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This article has been checked against the following criteria for B-class status:
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United States: District of Columbia High‑importance

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National Register of Historic Places High‑importance

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Phones Temporarily Dead[edit]

Calling the listed phone numbers for the master clock in NPA 202 on 1 September, 2022 resulted in a few rings, then a click. On 2023.04.09 the time service at +1 202-762-1401 once again answered with the time announcements. Boteman (talk) 06:35, 1 September 2022 (UTC)[reply]