Today, NIST's WWVB radio station is best known for broadcasting time to estimated 50 million radio-controlled clock radios, wall clocks, wristwatches, and other timekeeping devices across U.S. mainland. But back in 1963, station had a different audience, broadcasting standard frequencies at high accuracy needed by satellite and missile programs. Time signal, added 2 years later, then became means of synchronizing power plants to prevent brownouts, and coordinating analog telephone ...This story is related to the following:Trade Associations