Assertion: radio wave's range | /r/HasProperty | all of the high frequency band
Facets:
value: always
type: TEMPORAL
Source sentences:
text: There is no official definition of the band, but the range always includes all of the high frequency band (HF), and generally extends from 3–30 MHz (100 to 10 metres); above the medium frequency band (MF), to the end of the HF band.