Air Navigation question bank

Radio Propagation Theory: DGCA Air Navigation questions

5 sample questions from Oxford, with the correct answer shown.

Sample questions

Tap an option and the page marks it. The right answer is shown either way.

Question 1

The process which causes the reduction in signal strength as range from a transmitter increases is known as:

Question 2

Which of the following will give the greatest surface wave range?

Question 3

It is intended to increase the range of a VHF transmitter from 50 NM to 100 NM. This will be achieved by increasing the power output by a factor of:

Question 4

The maximum range an aircraft at 2500 ft can communicate with a VHF station at 196 ft is:

Question 5

What is the minimum height for an aircraft at a range of 200 NM to be detected by a radar at 1700 ft AMSL?

Free accountRadio Propagation Theory

3 more questions in this chapter, free with an account

Every question comes with a worked solution, and many come with an animation that flies the problem.

Where this chapter sits

The book it is printed in, and the rest of the subject.

Every DGCA subject, book and chapter