Glossary Terms Beginning W

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W: Watt: measurement of power.
WARC: See WRC.
Waveguide: Metallic microwave conductor, typically rectangular in shape, used to connect microwave signals with antennas; generic term for the feedhorn assembly; the connecting piece (or pieces) between the output of the HPA and the feed-arm of the uplink antenna.
Waveguide loss: Loss due to waveguides introducing some attenuation to the signal.
Wideband: Large frequency bandwidth: see broadband.
Widebeam: Ku-band satellite antenna pattern offering broader coverage, up to 8000 km (5000 miles) in diameter, but only available at lower power levels because the power is spread over a wider area.
WRC: World Administrative Radiocommunication Conference: regular summit conference for the ITU-R. After 1992, renamed World Radiocommunications Conference.