Longwave
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The longwave radio band is a range of frequencies used for AM broadcasting, which extends from 148.5 to 283.5 kHz. It falls within the low-frequency part of the radio spectrum.Unlike the medium wave band, which is widely used throughout the world, the longwave band has been primarily used for broadcasting the station identity of Nondirectional Beacons in Morse Code for use by radio direction finders in marine navigation. In voice transmissions, longwave is used only within ITU region 1. Most of the longwave broadcasters are in Europe, the Former Soviet Union and Mongolia. The rest are located…mehr

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The longwave radio band is a range of frequencies used for AM broadcasting, which extends from 148.5 to 283.5 kHz. It falls within the low-frequency part of the radio spectrum.Unlike the medium wave band, which is widely used throughout the world, the longwave band has been primarily used for broadcasting the station identity of Nondirectional Beacons in Morse Code for use by radio direction finders in marine navigation. In voice transmissions, longwave is used only within ITU region 1. Most of the longwave broadcasters are in Europe, the Former Soviet Union and Mongolia. The rest are located in Algeria, Morocco, Western Sahara, and Libya. Saudi Arabia, Egypt, Qatar and the United Arab Emirates have vacant low powered broadcasting allocations. Long wave signals travel particularity well over the Ocean. Typically, a larger area can be covered by a longwave broadcast transmitter than a medium-wave one. This is because ground-wave propagation suffers less attenuation due to limited ground conductivity at lower frequencies.