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physical object > natural object > particle > boson > carrier boson > photon > radio > HF band |
HF band comparison table |
Subject | is a kind of | has frequency | has wavelength | has definition |
---|---|---|---|---|
radio | photon | 3 GHz or less | 10 cm or more | Electromagnetic radiation with the lowest energy and longest wavelength. Unlike visible light, radio waves penetrate dust and can be detected from throughout the Galaxy. |
HF band | radio | 3 to 30 MHz | 10 to 100 m |