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#wwvb

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IT News<p>A Repeater for WWVB - For those living in the continental US who, for whatever reason, don’t have access... - <a href="https://hackaday.com/2025/08/07/a-repeater-for-wwvb/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2025/08/07/a-repe</span><span class="invisible">ater-for-wwvb/</span></a> <a href="https://schleuss.online/tags/clockhacks" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>clockhacks</span></a> <a href="https://schleuss.online/tags/wristwatch" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>wristwatch</span></a> <a href="https://schleuss.online/tags/amplifier" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>amplifier</span></a> <a href="https://schleuss.online/tags/arduino" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>arduino</span></a> <a href="https://schleuss.online/tags/clock" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>clock</span></a> <a href="https://schleuss.online/tags/radio" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>radio</span></a> <a href="https://schleuss.online/tags/watch" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>watch</span></a> <a href="https://schleuss.online/tags/wwvb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>wwvb</span></a> <a href="https://schleuss.online/tags/pwm" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pwm</span></a></p>
IT News<p>Atomic Clock Trades Receiver for an ESP8266 - The advantage of a radio-controlled clock that receives the time signal from WWVB ... - <a href="https://hackaday.com/2025/04/07/atomic-clock-trades-receiver-for-an-esp8266/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2025/04/07/atomic</span><span class="invisible">-clock-trades-receiver-for-an-esp8266/</span></a> <a href="https://schleuss.online/tags/microcontrollers" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>microcontrollers</span></a> <a href="https://schleuss.online/tags/atomicclock" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>atomicclock</span></a> <a href="https://schleuss.online/tags/clockhacks" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>clockhacks</span></a> <a href="https://schleuss.online/tags/radioclock" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>radioclock</span></a> <a href="https://schleuss.online/tags/simulator" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>simulator</span></a> <a href="https://schleuss.online/tags/esp8266" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>esp8266</span></a> <a href="https://schleuss.online/tags/wwvb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>wwvb</span></a></p>
Royce Williams<p>For North America folks interested in low-maintenance, accurate atomic/radio clocks, but live outside the expected WWVB range¹ :</p><p>The La Crosse UltrAtomic large wall clock has a semi-novel internal two-antenna design that allows the WWVB signal to be picked up at greater distances (such as southcentral Alaska) when conditions are favorable (especially at night).</p><p>And since the modern WWVB signal² embeds DST/ leap seconds / etc well in advance of actual changes, and since the oscillator is relatively low drift ... the time accuracy window is pretty robust.</p><p>It takes either two or four D batteries. Four will get you around four years of life in ANC (in my experience).</p><p>So between the self-setting and the long battery life .... you can put a visible, affordable, low-maintenance clock in a hard-to-reach place, even in Alaska.</p><p>And here's a great teardown for the geeks:<br><a href="http://leapsecond.com/pages/ultratomic/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">http://</span><span class="ellipsis">leapsecond.com/pages/ultratomi</span><span class="invisible">c/</span></a></p><p>(not affiliated or compensated, just a fan!)</p><p>¹‍<a href="https://tf.nist.gov/stations/wwvbcoverage.htm" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">tf.nist.gov/stations/wwvbcover</span><span class="invisible">age.htm</span></a><br>²‍<a href="https://www.nist.gov/publications/wwvb-time-signal-broadcast-new-enhanced-broadcast-format-and-multi-mode-receiver" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">nist.gov/publications/wwvb-tim</span><span class="invisible">e-signal-broadcast-new-enhanced-broadcast-format-and-multi-mode-receiver</span></a></p><p><a href="https://infosec.exchange/tags/WWVB" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WWVB</span></a> <a href="https://infosec.exchange/tags/Alaska" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Alaska</span></a> <a href="https://infosec.exchange/tags/TimeNut" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TimeNut</span></a></p>
Rob Carlson :ally: :BLM:<p>Long wave propagation is wild. I’ve had a <a href="https://epistolary.org/tags/WWVB" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WWVB</span></a> clock in my 2nd floor bedroom that hasn’t got a time signal in four months and this afternoon I walk up and it’s fully synced. <a href="https://tf.nist.gov/tf-cgi/wwvbmonitor_e.cgi" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">tf.nist.gov/tf-cgi/wwvbmonitor</span><span class="invisible">_e.cgi</span></a></p>
Kilroy_Was_Here<p>Checked on if they fixed <a href="https://dobbs.town/tags/WWVB" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WWVB</span></a> yet, there was an update last month.</p><p><a href="https://www.nist.gov/pml/time-and-frequency-division/time-distribution/radio-station-wwvb" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">nist.gov/pml/time-and-frequenc</span><span class="invisible">y-division/time-distribution/radio-station-wwvb</span></a></p><p><a href="https://dobbs.town/tags/HamRadio" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HamRadio</span></a> <a href="https://dobbs.town/tags/AmateurRadio" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AmateurRadio</span></a></p>
Come On Giant Asteroid!<p><span class="h-card" translate="no"><a href="https://dobbs.town/@kilroy_was_here" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>kilroy_was_here</span></a></span> </p><p>Mantel kit <a href="https://mastodon.radio/tags/WWVB" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WWVB</span></a> clock still "optically synced" (using Mk I eyeball) with <a href="https://mastodon.radio/tags/NTP" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NTP</span></a>-disciplined Mac. May be some time before it loses sync and it may not. </p><p>I hope <a href="https://mastodon.radio/tags/NIST" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NIST</span></a> has the budget to fix the antenna. I mean, it's not a bomb to drop on non-combatants or anything, but still pretty important.</p><p>Trivia: There was a <a href="https://mastodon.radio/tags/WWVL" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WWVL</span></a> on 20 kHz until the 1970s or so.</p>
Kilroy_Was_Here<p><a href="https://dobbs.town/tags/WWVB" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WWVB</span></a> is currently operating "indefinitely" at reduced power on a single antenna, rather than full power on two antennas, due to wind damage from 90+ MPH gusts.</p><p><a href="https://www.youtube.com/watch?v=s_R7tHUArEI" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=s_R7tHUArE</span><span class="invisible">I</span></a></p><p><a href="https://www.nist.gov/pml/time-and-frequency-division/time-distribution/radio-station-wwvb" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">nist.gov/pml/time-and-frequenc</span><span class="invisible">y-division/time-distribution/radio-station-wwvb</span></a></p><p><a href="https://dobbs.town/tags/Radio" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Radio</span></a> <a href="https://dobbs.town/tags/Shortwave" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Shortwave</span></a> <a href="https://dobbs.town/tags/SWL" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SWL</span></a> <a href="https://dobbs.town/tags/HamRadio" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HamRadio</span></a> <a href="https://dobbs.town/tags/AmateurRadio" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AmateurRadio</span></a> <a href="https://dobbs.town/tags/WWV" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WWV</span></a> <a href="https://dobbs.town/tags/NIST" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NIST</span></a> <a href="https://dobbs.town/tags/Colorado" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Colorado</span></a> <a href="https://dobbs.town/tags/FortCollins" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FortCollins</span></a></p>
Imogen<p><a href="https://mstdn.social/tags/Radio" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Radio</span></a> <a href="https://mstdn.social/tags/WWVB" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WWVB</span></a> <a href="https://mstdn.social/tags/Damage" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Damage</span></a> <a href="https://mstdn.social/tags/Notice" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Notice</span></a> <a href="https://mstdn.social/tags/News" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>News</span></a> </p><p>Notice: </p><p>From approximately 0000 UTC on April 7, 2024 WWVB's south antenna has been disabled as a result of damage from wind gusts in excess of 90 MPH. WWVB continues to operate at reduced overall power using its north antenna only.</p>
IT News<p>Simulating a Time-Keeping Radio Signal - As far as timekeeping goes, there’s nothing more accurate and precise than an atom... - <a href="https://hackaday.com/2024/01/14/simulating-a-time-keeping-radio-signal/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2024/01/14/simula</span><span class="invisible">ting-a-time-keeping-radio-signal/</span></a> <a href="https://schleuss.online/tags/verylowfrequency" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>verylowfrequency</span></a> <a href="https://schleuss.online/tags/atomicclock" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>atomicclock</span></a> <a href="https://schleuss.online/tags/radiohacks" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>radiohacks</span></a> <a href="https://schleuss.online/tags/simulator" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>simulator</span></a> <a href="https://schleuss.online/tags/clock" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>clock</span></a> <a href="https://schleuss.online/tags/radio" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>radio</span></a> <a href="https://schleuss.online/tags/stm32" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>stm32</span></a> <a href="https://schleuss.online/tags/time" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>time</span></a> <a href="https://schleuss.online/tags/wwvb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>wwvb</span></a> <a href="https://schleuss.online/tags/vlf" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>vlf</span></a></p>
Winston Smith<p><a href="https://mastodon.nz/tags/WWVB" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WWVB</span></a>, the NIST time signal in Fort Collins, CO, received in Otautahi Christchurch, NZ. ~12,400km path <a href="https://mastodon.nz/tags/SDR" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SDR</span></a></p>
Martin J. Levy<p>I wrote some code. A <a href="https://mastodon.cloud/tags/WWVB" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WWVB</span></a> receiver based on the ES100-MOD 60Khz receiver. It runs on Raspberry Pi’s and Pico’s. <a href="https://pypi.org/project/es100-wwvb/" rel="nofollow noopener" target="_blank"><span class="invisible">https://</span><span class="">pypi.org/project/es100-wwvb/</span><span class="invisible"></span></a> (for easy install) and <a href="https://github.com/mahtin/es100-wwvb" rel="nofollow noopener" target="_blank"><span class="invisible">https://</span><span class="">github.com/mahtin/es100-wwvb</span><span class="invisible"></span></a> (source). It’s able to update <a href="https://mastodon.cloud/tags/NTP" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NTP</span></a> also - the main goal.</p>
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