WWVH
WWVH is the callsign of the U.S. National Institute of Standards and Technology's shortwave radio time signal station in Kekaha, on the island of Kauai in the state of Hawaii. Coordinates: 21°59′16″N 159°45′47″W / 21.98778°N 159.76306°W / 21.98778; -159.76306
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