Radio Waves

**Definition:** Electromagnetic waves with frequencies between about 3 kilohertz (very low frequency - VLF) and 300,000 megahertz (extremely high frequency - EHF). They are used in television and radio broadcasting, land and satellite communications systems, radionavigation, radiolocation, and DIATHERMY. The highest frequency radio waves are MICROWAVES.

**Tree numbers:** - G01.358.500.505.810 - G01.750.250.810 - G01.750.770.721

**Synonyms:** - Hertzian Waves - Radiowaves - Radiowave