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Appendix I, Continued
VOICE RADIO.—Electronic
communications equipment that transmits
the speaker’s voice through the air on radio
waves to an appropriately tuned receiver.
WAVELENGTH.—The distance in the
direction of advance between the same
phase of successive waves.
WEATHER.—The state of the atmosphere
as defined by various meteorological
elements, such as temperature, pressure,
wind speed, direction, humidity,
cloudiness, and precipitation.
WIND.—Moving air, especially a mass of
air having a common direction of motion.
YARDARM—The port or starboard half
of a spar set athwartships across the upper
part of a mast.
ZONE TIME.—The local mean time of a
reference or zone meridian whose time is
kept throughout a designated zone.
AI-13
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