Basic Radio Wave Propagation Flashcards
1
Q
Types of frequency bands
A
- High frequency (HF)
- Very high frequency (VHF)
2
Q
HF range
A
3MHz - 30MHz (used for long distance communication)
3
Q
VHF range
A
30MHz - 300MHz (used for short to medium distance communication
4
Q
HF surface interference
A
Not as prone to surface interference
5
Q
VHF surface interference
A
Signals can’t bend around obstacles such as mountains (often referred to as line of sight)
6
Q
HF Clarity of reception
A
Lower clarity
7
Q
VHF Clarity of reception
A
Higher clarity
