Assertion: high frequency | /r/HasProperty | hf
Facets:
Source sentences:
text: High frequency (HF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) between 3 and 30 megahertz (MHz).
text: Frequencies immediately below VHF are denoted high frequency (HF), and the next higher frequencies are known as ultra high frequency (UHF).
text: Frequencies immediately below VHF are denoted high frequency (HF), and the next higher frequencies are known as ultra high frequency (UHF).
text: Frequencies immediately below MF are denoted low frequency (LF), while the first band of higher frequencies is known as high frequency (HF).
text: These systems were based on high frequency (HF) at 13.56 megahertz.
text: High frequency (HF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) between 3 and 30 megahertz (MHz).
text: 300 ~ 3000 kilohertz (kHz) High Frequency (HF): 3 ~ 30 megahertz (MHz)