Extremely Low Frequency (ELF) (ELF)
Science› Energy› Renewable Energy
Solar Energy
Refers to a band of frequencies from 30 to 300 Hz.
- — Solar Energy Development PEIS Glossary retrieved 2014-06-15
Weather
That portion of the radio frequency spectrum from 30 to 3000 hertz
Telecommunications
Frequencies from 30 Hz to 300 Hz. See electromagnetic spectrum.