This made it possible for clocks to be designed that could receive the signal , decode it , and then automatically synchronize themselves .
A time code was added to WWVB on July 1 , 1965 .
This made it possible for clocks to be designed that could receive the signal , decode WWVB , and then automatically synchronize themselves .
A time code was added to WWVB on July 1 , 1965 .