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EncyclopediaRadio Frequencies| Frequency | Name | Abbr. |
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| 10–30 | Very low | VLF | | 30–300 | Low | LF | | 300–3,000 | Medium | MF | | 3,000–30,000 | High | HF | | 30,000–300,000 | Very high | VHF | | 300,000–3,000,000 | Ultra high | UHF | | 3,000,000–30,000,000 | Super high | SHF | | 30,000,000–300,000,000 | Extremely high | EHF | The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2007, Columbia University Press. All rights reserved.
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