ARLA/CLUSTER: Historia das estações de sinal horario WWV, WWVH e WWVB

[João Gonçalves Costa]

NIST Time and Frequency Radio Stations

This article tells the story of the NIST Time and Frequency Radio Stations: WWV, WWVH, and WWVB

Read NIST Special Publication 250-67
http://tf.nist.gov/general/pdf/1969.pdf
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