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Amateur radio frequency allocations — Amateur radio frequency allocation is done by national telecommunications authorities. Globally, the ITU oversees how much radio spectrum is set aside for amateur radio transmissions. Radio amateurs use a variety of transmission modes, including… … Wikipedia
2-meter band — The 2 meter amateur radio band is a portion of the VHF radio spectrum, comprising frequencies stretching from 144.000 MHz to 148.000 MHz in ITU Regions 2 (North South America plus Hawaii) and 3 (Asia and Oceania) [US Amateur Radio Frequency… … Wikipedia
160-meter band — Just above the mediumwave broadcast band, 160 meters is the lowest radio frequency band allocation available to amateur radio operators in most countries. Seasoned operators often refer to 160 meters as Top Band, it is also sometimes referred to… … Wikipedia
15-meter band — In telecommunications, 15 meters is a shortwave radio band used by amateur radio operators. The band is located at 21 MHz, and almost all countries permit amateur radio activity on the entire band. The 15 meter band was opened to amateurs in the… … Wikipedia
20-meter band — The 20 meter amateur radio band is a portion of the shortwave radio spectrum, comprising frequencies stretching from 14.000 MHz to 14.350 MHz. [US Amateur Radio Frequency Allocations. http://www.arrl.org/FandES/field/regulations/allocate.html… … Wikipedia
Digitaler Hörfunk — Häufig für Digitalradio verwendetes Logo Unter Digitalradio versteht man die Übertragung von Hörfunkprogrammen mit digitalen Sendeverfahren. In den kommenden Jahren sollen analoge Verfahren weitgehend durch digitale ersetzt werden. Prinzipiell… … Deutsch Wikipedia
