In the late 70s I added WWVB to the micro that controlled
my RTTY autostart station.  A circuit in an application manual
demodulated the WWVB signal and a software loop synced
to the on-the-second transitions and decoded the time information.

--
Chuck Forsberg WA7KGX N2469R     [email protected]   www.omen.com
Developer of Industrial ZMODEM(Tm) for Embedded Applications
  Omen Technology Inc      "The High Reliability Software"
10255 NW Old Cornelius Pass Portland OR 97231   503-614-0430


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