Chapter 1 - Section 3: Control and operation

Question 1

What does the VSWR of 2:1 indicate about the ratio of forward to reflected power?

Answer 1

9:1

Question 2

How is the sealing between aircraft skin and aerial base usually achieved?

Answer 2

By the use of a suitable gasket or a sealing agent of the zinc chromate variety, or a combination of both

Question 3

What type of aerials are to be preferred over whip type aerials?

Answer 3

• Blade
• Rigid construction
• Totally enclosed in reinforced fibreglass
• Typical thickness to chord ratio of 10%