CHU was the call sign of a shortwave time signal radio station that was operated by the Institute for National Measurement Standards of the National Research Council. CHU's signal was used for continuous dissemination of official Canadian government time signals, derived from atomic clocks.
CHU was the call sign of a shortwave time signal radio station that was operated by the Institute for National Measurement Standards of the National Research Council. CHU's signal was used for continuous dissemination of official Canadian government time signals, derived from atomic clocks.
Source: Wikipedia "CHU (radio station)" · CC BY-SA 4.0
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