# General **URL:** https://community.nwtime.org/c/general/4.md?page=1 [Latest](https://community.nwtime.org/latest.md) · [Categories](https://community.nwtime.org/categories.md) · [Tags](https://community.nwtime.org/tags.md) **Page:** 2 --- ## [Every GPS satellite is launched with a clock deliberately set to run slow](https://community.nwtime.org/t/every-gps-satellite-is-launched-with-a-clock-deliberately-set-to-run-slow/418)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 1\ **Last updated:** [June 2, 2026, 6:59pm UTC](https://community.nwtime.org/t/every-gps-satellite-is-launched-with-a-clock-deliberately-set-to-run-slow/418 "2026-06-02T18:59:56Z")
--- ## [Putting Einstein to the Test With the World’s Most Accurate Clocks](https://community.nwtime.org/t/putting-einstein-to-the-test-with-the-world-s-most-accurate-clocks/417)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 1\ **Last updated:** [May 26, 2026, 2:03pm UTC](https://community.nwtime.org/t/putting-einstein-to-the-test-with-the-world-s-most-accurate-clocks/417 "2026-05-26T14:03:58Z")
--- ## [Thoughts on Vendor Approved List?](https://community.nwtime.org/t/thoughts-on-vendor-approved-list/382)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 4\ **Last updated:** [May 25, 2026, 4:45pm UTC](https://community.nwtime.org/t/thoughts-on-vendor-approved-list/382 "2026-05-25T16:45:26Z")
During the March 2026 Time Enthusiasts Sync Up, the idea of having a a vendor approved list for vendors, capabilities, limitations, and best fit profiles for both open source and commercial offerings was brought up. NTP… --- ## [Canada’s CHU Time Signal Station to Shut Down June 22](https://community.nwtime.org/t/canada-s-chu-time-signal-station-to-shut-down-june-22/415)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 0\ **Last updated:** [May 23, 2026, 9:43am UTC](https://community.nwtime.org/t/canada-s-chu-time-signal-station-to-shut-down-june-22/415 "2026-05-23T09:43:47Z")
--- ## [Atomic Clocks Prove Reality Is Stranger Than You Think | NOVA | PBS](https://community.nwtime.org/t/atomic-clocks-prove-reality-is-stranger-than-you-think-nova-pbs/414)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 0\ **Last updated:** [May 20, 2026, 6:20pm UTC](https://community.nwtime.org/t/atomic-clocks-prove-reality-is-stranger-than-you-think-nova-pbs/414 "2026-05-20T18:20:45Z")
--- ## [U.S. DHS looking for long haul fiber precise time tech & pilot project](https://community.nwtime.org/t/u-s-dhs-looking-for-long-haul-fiber-precise-time-tech-pilot-project/412)
**Author:** [@DavbarrNTF](https://community.nwtime.org/u/DavbarrNTF)\ **Replies:** 0\ **Last updated:** [May 11, 2026, 4:49pm UTC](https://community.nwtime.org/t/u-s-dhs-looking-for-long-haul-fiber-precise-time-tech-pilot-project/412 "2026-05-11T16:49:32Z")
https://rntfnd.org/2026/04/24/u-s-dhs-looking-for-long-haul-fiber-precise-time-a-pilot-project/ --- ## [The “Greenwich Time Lady” sold time from 1892 to 1940](https://community.nwtime.org/t/the-greenwich-time-lady-sold-time-from-1892-to-1940/410)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 0\ **Last updated:** [May 7, 2026, 8:01pm UTC](https://community.nwtime.org/t/the-greenwich-time-lady-sold-time-from-1892-to-1940/410 "2026-05-07T20:01:42Z")
https://rntfnd.org/2025/03/09/the-greenwich-time-lady-sold-time-from-1892-to-1940/ --- ## [Everything you ever wanted to know about atomic clocks](https://community.nwtime.org/t/everything-you-ever-wanted-to-know-about-atomic-clocks/409)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 0\ **Last updated:** [May 6, 2026, 12:38pm UTC](https://community.nwtime.org/t/everything-you-ever-wanted-to-know-about-atomic-clocks/409 "2026-05-06T12:38:41Z")
…but thought you had to be a rocket scientist in order to ask. NIST has a very approachable overview of the technology behind atomic clocks. Lots of good stuff here. --- ## [Great Resources at NPL's National Timing Center](https://community.nwtime.org/t/great-resources-at-npls-national-timing-center/408)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 1\ **Last updated:** [May 6, 2026, 6:53am UTC](https://community.nwtime.org/t/great-resources-at-npls-national-timing-center/408 "2026-05-06T06:53:41Z")
The National Timing Center in the UK has some great free resources, including: Introduction to Time and Frequency Measurement course Introduction to Clock Performance course Resilient Time Dissemination report Videos a… --- ## [GNSS Timing: The Hidden Load Bearer](https://community.nwtime.org/t/gnss-timing-the-hidden-load-bearer/407)
**Author:** [@DavbarrNTF](https://community.nwtime.org/u/DavbarrNTF)\ **Replies:** 0\ **Last updated:** [May 4, 2026, 5:30pm UTC](https://community.nwtime.org/t/gnss-timing-the-hidden-load-bearer/407 "2026-05-04T17:30:34Z")
https://rntfnd.org/2026/04/13/the-hidden-load-bearer-gnss-alexander-parolini/ --- ## [USNO’s Rubidium Fountain Clocks](https://community.nwtime.org/t/usno-s-rubidium-fountain-clocks/406)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 0\ **Last updated:** [May 2, 2026, 5:22pm UTC](https://community.nwtime.org/t/usno-s-rubidium-fountain-clocks/406 "2026-05-02T17:22:17Z")
These devices are so precise that their day-to-day precision is measured at the femtosecond (10-15 s) level. https://www.cnmoc.usff.navy.mil/Our-Commands/United-States-Naval-Observatory/Precise-Time-Department/The-USNO-… --- ## [When AI Sees Time Differently](https://community.nwtime.org/t/when-ai-sees-time-differently/405)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 0\ **Last updated:** [April 27, 2026, 12:17pm UTC](https://community.nwtime.org/t/when-ai-sees-time-differently/405 "2026-04-27T12:17:37Z")
AI systems are not limited by biological processing speeds and can perceive time with unprecedented precision, discovering cause-and-effect relationships that occur too quickly for human perception. In our hyperconnecte… --- ## [The last time this happened](https://community.nwtime.org/t/the-last-time-this-happened/404)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 0\ **Last updated:** [April 20, 2026, 2:31pm UTC](https://community.nwtime.org/t/the-last-time-this-happened/404 "2026-04-20T14:31:05Z")
Is 2036 the new y2k? --- ## [Vector Atomic makes waves with ultra-precise, seafaring atomic clock](https://community.nwtime.org/t/vector-atomic-makes-waves-with-ultra-precise-seafaring-atomic-clock/399)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 1\ **Last updated:** [April 18, 2026, 12:10am UTC](https://community.nwtime.org/t/vector-atomic-makes-waves-with-ultra-precise-seafaring-atomic-clock/399 "2026-04-18T00:10:24Z")
For decades, atomic clocks have been the gold standard for precise timekeeping. However, their bulky size and sensitivity to environmental factors have limited their use outside of controlled laboratory environments. Thi… --- ## [PTP is the New NTP: How Data Centers Achieve Real-Time Precision](https://community.nwtime.org/t/ptp-is-the-new-ntp-how-data-centers-achieve-real-time-precision/396)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 3\ **Last updated:** [April 15, 2026, 1:16am UTC](https://community.nwtime.org/t/ptp-is-the-new-ntp-how-data-centers-achieve-real-time-precision/396 "2026-04-15T01:16:55Z")
Interested in people’s thoughts about the points raised in this article. --- ## [UtC is dead. long live UTC](https://community.nwtime.org/t/utc-is-dead-long-live-utc/397)
**Author:** [@al\_zheimer49](https://community.nwtime.org/u/al_zheimer49)\ **Replies:** 4\ **Last updated:** [April 13, 2026, 7:40pm UTC](https://community.nwtime.org/t/utc-is-dead-long-live-utc/397 "2026-04-13T19:40:36Z")
The saga of introducing continuous UTC, without Leap Seconds continues. Latest news. Read my two cents at http://stratum1.ddns.net:8080/UTC-data/CGPM\_update\_202604.html --- ## [IEEE Publishes IEEE Std 802.1ASed-2026 (Fault-Tolerant Timing with Time Integrity) Portion of TSN Standard](https://community.nwtime.org/t/ieee-publishes-ieee-std-802-1ased-2026-fault-tolerant-timing-with-time-integrity-portion-of-tsn-standard/395)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 0\ **Last updated:** [April 11, 2026, 1:00pm UTC](https://community.nwtime.org/t/ieee-publishes-ieee-std-802-1ased-2026-fault-tolerant-timing-with-time-integrity-portion-of-tsn-standard/395 "2026-04-11T13:00:28Z")
The newly published IEEE Std 802.1ASed-2026 is a critical amendment to the base IEEE 802.1AS TSN standard. This standard ensures that even if a grandmaster clock fails or a network path is interrupted, the system remains… --- ## [Keeping Time With Atomic Clocks | CitizenSide](https://community.nwtime.org/t/keeping-time-with-atomic-clocks-citizenside/394)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 0\ **Last updated:** [April 7, 2026, 3:08pm UTC](https://community.nwtime.org/t/keeping-time-with-atomic-clocks-citizenside/394 "2026-04-07T15:08:17Z")
Good overview of how atomic clocks work and why they are important to daily life. --- ## [Measuring the Timing Accuracy of Satellite Time and Location (STL) Receivers](https://community.nwtime.org/t/measuring-the-timing-accuracy-of-satellite-time-and-location-stl-receivers/393)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 0\ **Last updated:** [April 6, 2026, 1:26pm UTC](https://community.nwtime.org/t/measuring-the-timing-accuracy-of-satellite-time-and-location-stl-receivers/393 "2026-04-06T13:26:25Z")
--- ## [GNSS clocks are invisible and indispensable](https://community.nwtime.org/t/gnss-clocks-are-invisible-and-indispensable/390)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 0\ **Last updated:** [April 3, 2026, 4:34pm UTC](https://community.nwtime.org/t/gnss-clocks-are-invisible-and-indispensable/390 "2026-04-03T16:34:54Z")
A nice introduction to GNSS time synchronization. --- ## [Time Enthusiasts Sync Up](https://community.nwtime.org/t/time-enthusiasts-sync-up/372)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 2\ **Last updated:** [March 29, 2026, 3:37pm UTC](https://community.nwtime.org/t/time-enthusiasts-sync-up/372 "2026-03-29T15:37:05Z")
Zoom Link Join NTF in our first virtual sync up. We’ll dive into the General Timestamp API and play fun games to meet fellow time enthusiasts and build real connections. --- ## [SCaLE 23x Recap](https://community.nwtime.org/t/scale-23x-recap/369)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 0\ **Last updated:** [March 16, 2026, 5:13pm UTC](https://community.nwtime.org/t/scale-23x-recap/369 "2026-03-16T17:13:39Z")
--- ## [Securities and Exchange Commission's Clock Service](https://community.nwtime.org/t/securities-and-exchange-commissions-clock-service/367)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 0\ **Last updated:** [March 13, 2026, 2:12pm UTC](https://community.nwtime.org/t/securities-and-exchange-commissions-clock-service/367 "2026-03-13T14:12:23Z")
Under the proposed Clock Service, participants would be able to synchronize their own primary clock devices to the Exchange’s primary clock device, by receiving White Rabbit time signals from the Exchange via a 1 gigabit… --- ## [The profundity and paradox of time](https://community.nwtime.org/t/the-profundity-and-paradox-of-time/365)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 0\ **Last updated:** [March 11, 2026, 5:40pm UTC](https://community.nwtime.org/t/the-profundity-and-paradox-of-time/365 "2026-03-11T17:40:40Z")
Great overview on how time is measured. https://www.datacenterdynamics.com/en/analysis/the-profundity-and-paradox-of-time/ --- ## [Images of SCaLE 23x](https://community.nwtime.org/t/images-of-scale-23x/357)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 1\ **Last updated:** [March 7, 2026, 5:28pm UTC](https://community.nwtime.org/t/images-of-scale-23x/357 "2026-03-07T17:28:00Z")
Booth is ready and waiting for the Expo hall to open! --- ## [Time Stuff BoF at SCaLE](https://community.nwtime.org/t/time-stuff-bof-at-scale/355)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 0\ **Last updated:** [March 5, 2026, 1:22pm UTC](https://community.nwtime.org/t/time-stuff-bof-at-scale/355 "2026-03-05T13:22:49Z")
Attending SCALE? Bring your questions and anecdotes about network time to the Time Stuff BoF. BoF: Time Stuff: War stories, Q/A, NTP, PTP, Khronos, and more | SCALE --- ## [Expo Day 3 SCALE 23x](https://community.nwtime.org/t/expo-day-3-scale-23x/96)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 0\ **Last updated:** [February 2, 2026, 2:52pm UTC](https://community.nwtime.org/t/expo-day-3-scale-23x/96 "2026-02-02T14:52:53Z")
Visit Network Time Foundation at booth 330 --- ## [Expo Day 2 at SCALE 23x](https://community.nwtime.org/t/expo-day-2-at-scale-23x/95)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 0\ **Last updated:** [February 2, 2026, 2:49pm UTC](https://community.nwtime.org/t/expo-day-2-at-scale-23x/95 "2026-02-02T14:49:19Z")
Visit Network Time Foundation at booth 330. --- ## [Vist NTF at SCALE 23x](https://community.nwtime.org/t/vist-ntf-at-scale-23x/94)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 0\ **Last updated:** [February 2, 2026, 2:45pm UTC](https://community.nwtime.org/t/vist-ntf-at-scale-23x/94 "2026-02-02T14:45:57Z")
Visit Network Time Foundation at booth 330 in the Expo Hall. --- ## [Events and Conferences](https://community.nwtime.org/t/events-and-conferences/93)
**Author:** [@Dru](https://community.nwtime.org/u/Dru)\ **Replies:** 0\ **Last updated:** [February 2, 2026, 2:30pm UTC](https://community.nwtime.org/t/events-and-conferences/93 "2026-02-02T14:30:22Z")
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