Tag Archives: WWV

Dan’s WWVH QSL cards

Many thanks to SWLing Post contributor, Dan Amoroso (W3DI – WPE3DNC) for scans of his QSLs from WWVH in Kekaha, HI:

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Can you help George identify the mystery pip?

SWLing Post reader, George (NJ3H), writes: I quite often see a spike in the evening on 4996 khz. From the listing, this is suppose to be RWM, in Moscow, a time signal station. When I listen on remote receivers in … Continue reading

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Listening to WWV at the source: Fort Collins, Colorado, USA

If you haven’t already guessed it: yes, the mystery broadcast site I posted on Thursday was WWV/WWVB in Fort Collins, Colorado. Well done, responders!  Specifically, the photo shows the southern antennas of WWVB as I departed the site on Thursday, August 28, … Continue reading

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WWV: experimental broadcasts on 25 MHz

Want to catch WWV–the Fort Collins-based time station–on a frequency they haven’t used since 1977? The National Institute for Standards and Technology (NIST) has sent out a press release stating that, as of April 4, 2014, WWV will resume broadcasting … Continue reading

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WWVB celebrates 50 years of quietly keeping time

Thanks, David, for sharing a link to this brilliant article on the history and future of WWVB: (Source: Wired) Every night, while millions of Americans are fast asleep, clocks and wristwatches across the country wake up and lock on to … Continue reading

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History of WWV and the NIST Time Stations

Many readers know that I’m a bit of a WWV geek, so you can imagine how happy I was when my buddy, Mike, and the Southgate ARC made me aware of this 152 page history of the NIST time station … Continue reading

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Grandfather of WWV’s atomic clock

I just discovered a film produced by the National Physical Laboratory (NPL) Film Unit in the 1950s explaining the principles behind the first accurate atomic clock. The clock was designed by Louis Essen and built at the National Physical Laboratory in … Continue reading

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