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Old school nerds remember setting their calculator watches by calling into the us naval observatory master clock. https://www.usno.navy.mil/USNO/time/telephone

Old school nerds remember setting their calculator watches by calling into the us naval observatory master clock. https://www.usno.navy.mil/USNO/time/telephone-time https://www.usno.navy.mil/USNO/time/telephone-time

xxpor 7y ago
TRUE old school nerds remember setting their watches by tuning to WWV/WWVH :)
- eaguyhn 7y ago
  I remember listening to WWV for a leap second when I was in high school. :D