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A dBW is a unit of power relative to a watt, with 0 dBW equaling 1 watt. Each 10 dBW above or below 0 dBW represents a respective ten-fold increase or decrease in power. Thus, 40 dBW equals 10,000 watts, or 10 kilowatts. See NTIA Manual, Section 8.2.35 at ΒΆΒΆ 1, 2, and 4; see also ITU Radio Regulations, No. 21.8, 21.9, and 21.11. ................
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