ultra low frequency
Noun
Meaning
ultra low frequency (plural ultra low frequencies)
(electronics) Ultra Low Frequency, the band of radio waves between 300 hertz and 3000 hertz.
English Wikipedia has an article on:ultra low frequencyWikipedia
Noun
ultra low frequency (plural ultra low frequencies)
(electronics) Ultra Low Frequency, the band of radio waves between 300 hertz and 3000 hertz.
English Wikipedia has an article on:ultra low frequencyWikipedia