Radio Station WWV - Actual GMT to UTC Change (1 January 1974) 2359 GMT by shortwavemusic published on 2012/09/20 02:51:04 +0000 WWV had used the system of Coordinated Universal Time (as defined above) since December 1968, but did not incorporate it into their voice announcements until urged to do so by the CCIR (Comité consultatif international pour la radio), a governing telecommunications body. These new announcements began on January 1, 1974. Track 31 of 'AT THE TONE: A LITTLE HISTORY OF NIST RADIO STATIONS WWV & WWVH.' © 2009 Myke Dodge Weiskopf / Obscure-Disk. To order this compilation on CD, please write email@example.com.