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What (who) is low frequency - definition
THE 30-300 KHZ RANGE OF THE ELECTROMAGNETIC SPECTRUM
Low frequencies; Low band; Low Frequency
![An LF [[radio clock]].](https://commons.wikimedia.org/wiki/Special:FilePath/Atomic clock.jpg?width=200 "An LF [[radio clock]].")
low frequency
¦ noun (in radio) 30-300 kilohertz.
Low frequency
Low frequency (LF) is the ITU designation for radio frequencies (RF) in the range of 30–300 kHz. Since its wavelengths range from 10–1 km, respectively, it is also known as the kilometre band or kilometre wave.
Low-frequency oscillation
TECHNIQUE IN ELECTRONIC MUSIC
Low-frequency oscillator; Low Frequency Oscillation; Low frequency oscillator; Low Frequency Oscillator; Low frequency oscillation
Low-frequency oscillation (LFO) is an electronic frequency that is usually below 20 Hz and creates a rhythmic pulse or sweep. This is used to modulate musical equipment such as synthesizers to create audio effects such as vibrato, tremolo and phasing.
Wikipedia
Low frequency
Low frequency (LF) is the ITU designation for radio frequencies (RF) in the range of 30–300 kHz. Since its wavelengths range from 10–1 km, respectively, it is also known as the kilometre band or kilometre wave.
LF radio waves exhibit low signal attenuation, making them suitable for long-distance communications. In Europe and areas of Northern Africa and Asia, part of the LF spectrum is used for AM broadcasting as the "longwave" band. In the western hemisphere, its main use is for aircraft beacon, navigation (LORAN), information, and weather systems. A number of time signal broadcasts also use this band.
Examples of use of low frequency
1. It also improved understanding of how low–frequency ocean waves transmit signals of climate change.
2. Fireworks used during concerts also produce low–frequency noise and are damaging windows, he said.
3. Elephants have long been known to make low–frequency calls to communicate over long distances.
4. "House sparrows use an important low–frequency component in their calls.
5. Through echoes created by low frequency grunts and whines, they can communicate over vast distances, possibly across entire oceans.