Abstract :
Two notices: (1) Notice of No Adjustment in Phase of Seconds pulses from NBS Radio Station WWVB and No Adjustment in Phases of Time pulses from NBS Radio Station WWV and WWVH on September 1, l968; (2) Monthly Frequency and Time Offsets and Deviations for NBS Radio Statim WWV, WWVH, WWVL, and WWVB.