Ultra low frequency

From open-encyclopedia.com - the free encyclopedia.

Ultra Low Frequency (ULF) is the frequency range between 300 Hertz and 3000 Hertz. There are no manmade transmitters in this frequency range.

Radio spectrum
ELF | SLF | ULF | VLF | LF/LW | MF/MW | HF/SW | VHF | UHF | SHF | EHF
3 Hz | 30 Hz | 300 Hz | 3 kHz | 30 kHz | 300 kHz | 3 MHz | 30 MHz | 300 MHz | 3 GHz | 30 GHz | 300 GHz

fr:Ultra basse fréquence