VHF

Question 1

What are the other band name(s) for VHF?

Answer 1

50 MHz - 54 MHz (6m band)

144 MHz - 148 MHz (2m band)

Question 2

What does VHF stand for?

Answer 2

Very High Frequency

Question 3

What is the wavelength range for VHF?

Answer 3

10m - 1m

Question 4

What is the frequency range for VHF?

Answer 4

30 MHz - 300 MHz

Question 5

What is the ITU designation below VHF?

Answer 5

HF

Question 6

What is the ITU designation above VHF?

Answer 6

UHF

Question 7

What kind of obstacles block VHF frequencies?

Answer 7

• Hills

- Mountains

Question 8

What is VHF used for?

Answer 8

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

Question 9

What type of propagation is present in VHF?

Answer 9

Mainly line of sight (LOS), with some sky wave propagation in the lower frequencies

Question 10

What is the average length of a VHF omnidirectional antenna?

Answer 10

10” - 8’

Question 11

What are the VHF frequency range(s) for amateur radio allocation?

Answer 11

50 MHz - 54 MHz (6m band)

144 MHz - 148 MHz (2m band)

Question 12

What is the general maximum effective range for VHF land?

Answer 12

160 km (100 mi)

Question 13

What are some advantages of VHF?

Answer 13

• Farther effective range
• Good for outdoor applications
• Tends to be less expensive than UHF

Question 14

What are some disadvantages of VHF?

Answer 14

• Performs poorly in urban environments

- Longer antenna