What are the other band name(s) for VHF?
50 MHz - 54 MHz (6m band)
144 MHz - 148 MHz (2m band)
What does VHF stand for?
Very High Frequency
What is the wavelength range for VHF?
10m - 1m
What is the frequency range for VHF?
30 MHz - 300 MHz
What is the ITU designation below VHF?
HF
What is the ITU designation above VHF?
UHF
What kind of obstacles block VHF frequencies?
- Hills
- Mountains
What is VHF used for?
Public radio services such as:
- Aircraft navigation,air traffic control, and general aviation
- Public safety
- Industry
- Military
- Marine
- FM radio
- Satellite
- Weather reporting
- Television (less common, being phased out)
Personal radio services like:
- Amateur radio (two separate bands within VHF)
- Low power limited FM broadcast
What type of propagation is present in VHF?
Mainly line of sight (LOS), with some sky wave propagation in the lower frequencies
What is the average length of a VHF omnidirectional antenna?
10” - 8’
What are the VHF frequency range(s) for amateur radio allocation?
50 MHz - 54 MHz (6m band)
144 MHz - 148 MHz (2m band)
What is the general maximum effective range for VHF land?
160 km (100 mi)
What are some advantages of VHF?
- Farther effective range
- Good for outdoor applications
- Tends to be less expensive than UHF
What are some disadvantages of VHF?
- Performs poorly in urban environments
- Longer antenna
