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About: 630-meter band     Goto   Sponge   NotDistinct   Permalink

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The 630-meter (or 600-meter) amateur radio band is a frequency band allocated by the International Telecommunication Union (ITU) to amateur radio operators, and it ranges from 472–479 kHz, or equivalently 625.9–635.1 meters wavelength. It was formally allocated to amateurs at the 2012 World Radiocommunication Conference (WRC-12). The band is available on a secondary basis in all ITU regions with the limitation that amateur stations have maximum radiated power of 1 watt effective isotropic radiated power (EIRP); however, stations more than 800 km (500 miles) from certain countries may be permitted to use 5 watts EIRP.