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W

W/T

Wireless telegraphy (i.e. Morse code).

watt

the power required to do work at the rate of 1 joule per second, which is equal to the power dissipated in an electric circuit in which a potential difference of 1 volt causes a current of 1 ampere to flow. The symbol for watt(s) is W.

WRU?

Who Are You? A telex command used to request the Answerback from another telex machine.

WWMIWS

World–wide Met–Ocean Information and Warning Service. A service established by the World Meteorological Organisation for the purpose of coordinating the transmissions of meteorological warnings in defined geographical areas.

WWNWS

World–wide Navigational Warning Service. A service established by the International Hydrographic Organisation for the purpose of coordinating the transmissions of navigational warnings in defined geographical areas.