A rubidium standard, or rubidium atomic clock, is a high accuracy frequency and time standard, usually accurate to within a few parts in 10 11. This is still several orders of magnitude less than some ...

UNIDENTIFIED PERSON: National Institute of Standards and Technology time - this is radio station WWV, Fort Collins, Colo. SIMON: WWV is the oldest continuously operating radio station in the United ...

The wristwatches and clocks that advertise accurate “atomic time” rely on the 60 kHz signal from WWVB in Boulder Colo. to synchronize them to official U.S. time. In the days of analog TV, some ...

The author is manager of National Institute of Standards and Technology radio stations WWV/WWVH/WWVB. While radio station WWVB may be familiar to readers of this publication, most people would not ...

I have an interest in extremely low-frequency (ELF) radio — transmission frequencies below 300kHz. Of particular interest to me is WWVB, the official government time station operated by the National ...

The advantage of a radio-controlled clock that receives the time signal from WWVB is that you never have to set it again. Whether it’s a little digital job on your desk, or some big analog wall clock ...