WWVB: A Half Century of Delivering Accurate Frequency and Time by Radio

Published: March 12, 2014


Michael A. Lombardi, Glenn K. Nelson


In commemoration of its 50th anniversary of broadcasting from Fort Collins, Colorado, this paper provides a history of National Institute of Standards and Technology (NIST) radio station WWVB. The narrative describes the evolution of the station, from its origins as a source of standard frequency, to its current role as the source of time-of-day synchronization for many millions of radio controlled clocks.
Citation: Journal of Research (NIST JRES) - 119.004
Report Number:
Pub Type: NIST Pubs


broadcasting, frequency, radio, standards, time
Created March 12, 2014, Updated November 10, 2018