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mc070402817 | 08:18 Thu 08th Nov 2007 | Technology
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Radio Antennas often work best when the diameter of the antenna is equal to the wavelength of the radio wave. Reasonable antennas range from 1 cm to 5 meters in diameter. What frequency range does this cover? (Hint: c = f � λ)
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f=c/wavelength.

stick in wavelength of 1m. find f. stick in wavelength of 5m, find f. that's your range.
hint

when did you last see a 5m dia ariel on a semi?
suggest you take a course at tec or uni (or perhaps you already are?)
AC.There are tower-mounted 5m dishes still in use at many of the hotels I've stayed at in the Caribbean.

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