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- The 8-meter band (40 MHz) is the lowest portion of the very high frequency (VHF) radio spectrum allocated to amateur radio use. The term refers to the average signal wavelength of 8 meters. The 8-meter band shares many characteristics with the neighboring 6-meter band. However, as it is somewhat lower in frequency it does display the better propagation mechanisms via the F2 ionospheric layer normally seen at high frequency (HF) which occasionally appear in 6 meters. However, Sporadic E propagation, whereby radio signals bounce off ionized clouds in the lower E region of the ionosphere, is common on the band in summer. (en)
- La bande 40 MHz désignée aussi par sa longueur d'onde, 8 mètres, est une bande pour radioamateurs. Cette bande est utilisable en permanence pour le trafic radio local et régional, et sporadiquement pour le trafic radio à grande distance. (fr)
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- The 8-meter band (40 MHz) is the lowest portion of the very high frequency (VHF) radio spectrum allocated to amateur radio use. The term refers to the average signal wavelength of 8 meters. The 8-meter band shares many characteristics with the neighboring 6-meter band. However, as it is somewhat lower in frequency it does display the better propagation mechanisms via the F2 ionospheric layer normally seen at high frequency (HF) which occasionally appear in 6 meters. However, Sporadic E propagation, whereby radio signals bounce off ionized clouds in the lower E region of the ionosphere, is common on the band in summer. (en)
- La bande 40 MHz désignée aussi par sa longueur d'onde, 8 mètres, est une bande pour radioamateurs. Cette bande est utilisable en permanence pour le trafic radio local et régional, et sporadiquement pour le trafic radio à grande distance. (fr)
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- 8-meter band (en)
- Bande des 8 mètres (fr)
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