Abstract :
Three notices: (1) Notice of No Adjustment in Phases of Seconds Pulses from NBS Radio Station WWVB and Adjustments in Phases of Time Pulses from NBS Radio Stations WWV and WWVH on February 1, 1968; (2) Notice of Power Outage at NBS Radio Station WWV on January 24, 1968; (3) Monthly Fractional Frequency Offsets and Time Deviations for NBS Radio Stations WWV, WWVH, WWVL, and WWVB.
