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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://mstdn.social/users/990000/statuses/115754950397284962">@990000@mstdn.social (990000@mstdn.social)'s status on Sunday, 21-Dec-2025 18:33:12 JST</a><a href="https://mstdn.social/@990000" title="990000@mstdn.social"><img src="https://gnusocial.jp/avatar/140872-48-20231013154141.webp" width="48" height="48" alt="@990000@mstdn.social" style="position: absolute; left: 0; top: 0;">@990000@mstdn.social</a></section><article><p>Seems bad </p><p><a href="https://bsky.app/profile/newsguy.bsky.social/post/3mahccilhhm2z" rel="nofollow">https://bsky.app/profile/newsguy.bsky.social/post/3mahccilhhm2z</a></p><p><a href="https://mstdn.social/tags/AtomicClock" rel="tag">#AtomicClock</a> <a href="https://mstdn.social/tags/NIST" rel="tag">#NIST</a> <a href="https://mstdn.social/tags/BITS" rel="tag">#BITS</a> <a href="https://mstdn.social/tags/Boulder" rel="tag">#Boulder</a></p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/5976635#notice-11758688">In conversation</a><time datetime="2025-12-21T18:33:12+09:00" title="Sunday, 21-Dec-2025 18:33:12 JST">about 7 months ago</time> <span>from <span><a href="https://mstdn.social/@990000/115754950397284962" rel="external" title="Sent from mstdn.social via ActivityPub">mstdn.social</a></span></span><a href="https://mstdn.social/@990000/115754950397284962">permalink</a><h4>Attachments</h4><ol><li><label><a rel="external" href="https://gnusocial.jp/attachment/5587091">Steve Herman @newsguy.bsky.social:
The atomic ensemble time scale at the NIST
Boulder campus has failed.jeff.s...@nist.gov:
to Internet-time-service
Dec 19
Dear colleagues,
In short, the atomic ensemble time scale at our Boulder campus has failed due to a prolonged utility power outage. One impact is that the Boulder Internet Time Services no longer have an accurate time reference. At time of writing the Boulder servers are still available due a standby power generator, but I will attempt to disable them to avoid disseminating incorrect time.
The affected servers are:
time-a-b.nist.gov
time-b-b.nist.gov
time-c-b.nist.gov
time-d-b.nist.gov
time-e-b.nist.gov
ntp-b.nist.gov (authenticated NTP)
No time to repair estimate is available until we regain staff access and power. Efforts are currently focused on obtaining an alternate source of power so the hydrogen maser clocks survive beyond their battery backups.
More details follow.</a></label><br><a href="https://media.mstdn.social/media_attachments/files/115/754/950/161/649/867/original/ee66a7fe2f08b111.jpeg" rel="external">https://media.mstdn.social/media_attachments/files/115/754/950/161/649/867/original/ee66a7fe2f08b111.jpeg</a></li><li><article><header><div>Domain not in remote thumbnail source whitelist: cdn.bsky.app</div><h5><a href="https://bsky.app/profile/newsguy.bsky.social/post/3mahccilhhm2z#AtomicClock">Steve Herman (@newsguy.bsky.social)</a></h5><div> from <span>Steve Herman (@newsguy.bsky.social)</span></div></header><div>The atomic ensemble time scale at the NIST Boulder campus has failed.</div><footer></footer></article></li></ol></footer></blockquote>

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@990000@mstdn.social (990000@mstdn.social)'s status on Sunday, 21-Dec-2025 18:33:12 JST @990000@mstdn.social
Seems bad
https://bsky.app/profile/newsguy.bsky.social/post/3mahccilhhm2z
#AtomicClock #NIST #BITS #Boulder
In conversationabout 7 months ago from mstdn.socialpermalink
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1. Steve Herman @newsguy.bsky.social: The atomic ensemble time scale at the NIST Boulder campus has failed. jeff.s...@nist.gov: to Internet-time-service Dec 19 Dear colleagues, In short, the atomic ensemble time scale at our Boulder campus has failed due to a prolonged utility power outage. One impact is that the Boulder Internet Time Services no longer have an accurate time reference. At time of writing the Boulder servers are still available due a standby power generator, but I will attempt to disable them to avoid disseminating incorrect time. The affected servers are: time-a-b.nist.gov time-b-b.nist.gov time-c-b.nist.gov time-d-b.nist.gov time-e-b.nist.gov ntp-b.nist.gov (authenticated NTP) No time to repair estimate is available until we regain staff access and power. Efforts are currently focused on obtaining an alternate source of power so the hydrogen maser clocks survive beyond their battery backups. More details follow.
  https://media.mstdn.social/media_attachments/files/115/754/950/161/649/867/original/ee66a7fe2f08b111.jpeg
2. Domain not in remote thumbnail source whitelist: cdn.bsky.app
  Steve Herman (@newsguy.bsky.social)
  from Steve Herman (@newsguy.bsky.social)
  The atomic ensemble time scale at the NIST Boulder campus has failed.

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