DGCA Radio Telephony (R/T) past paper

DGCA Radio Telephony (R/T) question paper, April 2026

39 questions, On Demand. The first 5 are here in full with the correct answer shown.

This is a real DGCA Radio Telephony (R/T) paper as it was sat in April 2026, not a paper assembled from the bank. It carries 39 questions and runs 90 minutes under exam conditions.

The first questions of the paper

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

Question 1

What is Quantisation Error in PCM systems?

Question 2

The Nyquist criterion states that the minimum sampling rate is proportional to which quantity?

Question 3

Why do pilots switch from HF High Frequency to VHF Very High Frequency communications as they approach their destination?

Question 4

What is the ALOHA System in communications?

Question 5

What is PCM Pulse Code Modulation?

Free accountRadio Telephony (R/T), April 2026

34 more questions in this paper, free with an account

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90 minutes, 39 questions, scored at the end.

The timed run gives you the paper in the order it was set, a clock, and a report afterwards that shows which topics cost you marks. It needs an account and a paid plan.

Open the April 2026 Radio Telephony (R/T) paper

Where this paper sits

The subject's paper index, and the chapter bank behind it.

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