Assertion: radio wave's frequency | /r/HasProperty | lf
Facets:
Source sentences:
text: Low Frequency (LF)
text: Longwave (also known as Low frequency (LF)) (148.5–283.5 kHz)
text: For example, low frequency (LF) broadcasts, also known as long waves, at about 200 kHz has a wavelength of 1500 m and is not significantly affected by most average size buildings, which are much smaller.
text: In ITU nomenclature, this includes (in order): medium frequency (MF), low frequency (LF), very low frequency (VLF), ultra low frequency (ULF), super low frequency (SLF), extremely low frequency (ELF) waves.
text: Frequencies immediately below MF are denoted low frequency (LF), while the first band of higher frequencies is known as high frequency (HF).