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Wavelength and Frequency conversionEdit

λ = c/ν

  • λ (lambda) is the wavelength
  • c is the speed of light
  • v is the frequency

ExampleEdit

6 meters is what frequency?

\lambda=\frac{c}{v} or \text{wavelength}=\frac{\text{speed of light}}{\text{frequency}}
\lambda*v=c
v=\frac{c}{\lambda}
v=\frac{3*10^8}{6}
v=\frac{300,000,000}{6}
v=50,000,000
50,000,000 Hz\text{ is }50 MHz
v=50 MHz
6 meters is 50 MHz.

UnitsEdit

Note that c is meters/second, that λ is meters, and v (nominally expressed in megahertz, or millions of hertz) is simply "/second".

ShortcutEdit

  • Wavelength in meters equals 300 divided by frequency in megahertz.
  • Frequency in megahertz equals 300 divided by wavelength in meters.

This expresses the speed of light as 300x10^6, and since megahertz is "millions of hertz" and one million is 1x10^6, we can ignore the scientific notation. Given a 6 meter band, what's the frequency of the band?

v=\frac{300}{6}
v=50
v=50 MHz
6 meters is 50 MHz.

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