2021-11-11 18:15:01 +00:00
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= Frequency Range =
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The Frequency ranges of radio are broken into several bands that are named and
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standardized. They appear below
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| Name | Abbreviation | Range | Notes |
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| Very Low Freq | VLF | 3khz - 30khz | |
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| Low Freq | LF | 30khz - 300khz | |
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| Medium Freq | MF | 300khz - 3mhz | AM Radio |
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| High Freq | HF | 3mhz - 30mhz | Shortwave, 10m to 1m |
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| Very High Freq | VHF | 30mhz - 300mhz | VHF TV, FM radio, 1000cm to 100cm |
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| Ultra High Freq | UHF | 300mhz - 3ghz | UHF TV, 3G/4G, 100cm to 30cm |
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| Super High Freq | SHF | 3ghz - 30ghz | |
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| Extreme High Freq | EHF | 30ghz - 300ghz | |
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2021-11-11 18:30:01 +00:00
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2021-11-11 19:15:01 +00:00
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To calculate a wavelength from a frequency
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2021-11-11 19:15:01 +00:00
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WL = c / f
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2021-11-11 19:15:01 +00:00
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Where WL is wavelength,
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c is speed of light (3 * 10^8 m/s)
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f is frequency
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2021-11-11 19:30:01 +00:00
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A shorthand is
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2021-11-11 21:30:01 +00:00
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WL = 300 / f
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Where f is in Mhz
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