WETTING WETTING The formation of a relatively uniform, smooth, unbro- ken, and adherent film of solder to a base material. WET WINDING A method of filament winding in which the fiber reinforcement is coated with the resin system as a liquid just prior to wrapping on a mandrel. WHIP ANTENNA A flexible rod antenna, usually between 1/10 and 5/8 wavelength long, supported on a base insulator. WHISKER A slender acicular (needle-shaped) metallic growth on a printed board. WHITE AREA The area or population that does not receive inter- ference-free primary service from an authorized AM station or does not receive a signal strength of at least 1 mV/m from an authorized FM station. WHITE NOISE Noise having a frequency spectrum that is contin- uous and uniform over a specified frequency band. WICKING Capillary absorption of liquid along the fibers of the base material. WIDEBAND (1) The property of any communications facility,