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very high frequency band
Definição1
The radio frequency range between 30 MHz and 300 MHz.
Fonte1
CROCKER, David. Dictionary of aviation. 2nd ed. London: A&C, 2005.
Fonte2
TERMIUM PLUS. The Government of Canada’s terminology and linguistic data bank. Retrieved May 26, 2020 from http://www.btb.termiumplus.gc.ca/.
Fonte3
INTERNATIONAL CIVIL AVIATION ORGANIZATION. Annual report of the council 2007. Montreal, 2007. (Doc. 9898)
Nota adicional1
Very high frequency (VHF) is the ITU [International Telecommunication Union] designation for the range of radio frequency electromagnetic waves (radio waves) from 30 MHz [Megahertz] to 300 MHz, with corresponding wavelengths of ten to one meters.
Contexto
Regulatory provisions to facilitate the use of the off-set carrier (climax) system on 8.33 kHz voice channels in the very high frequency (VHF) band (117.975-137 MHz) were introduced representing a frequency-efficient technique for using VHF frequencies over large geographical areas.
Português
faixa de frequência muito alta VHF