Q1174
What frequency range is the high frequency band?
A.
3 kHz
B.
3 to 30 MHz
AnswerC.
30 to 300 MHz
D.
10 GHz
Answer: Option B
Solution
Answer: Option B
Solution:
High frequency (HF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) between 3 and 30 megahertz (MHz). It is also known as the decameter band or decameter wave as its wavelengths range from one to ten decameters (ten to one hundred meters).