📡DME Distance Measuring Equip. |Full Radio Nav. Guide DGCA Exam | VOR-DME, TACAN, Working, Modes,etc

0:00 Topic Overview
1:56 Basic features
4:16 Slant Range vs Range
5:38 Working
8:31 Principle
9:23 Unique Twin Pulse
12:14 Random PRF
15:18 Jittered PRF
19:40 Principle with Working
22:25 DME at A/C
23:31 Co-located DME
24:30 +-63MHz Reply
27:32 Mode of Operation
28:28 Search Mode
32:50 Lock Mode
35:20 Standby Mode
39:42 Beacon Saturation
43:43 VOR-DME
44:15 TACAN
45:34 VOR-DME vs TACAN
47:04 Condition for frq. pairing
50:57 Factor affecting Range
52:07 Advantage
53:16 Accuracy
54:02 Identification

In this video, we dive deep into DME (Distance Measuring Equipment) — one of the most important topics in Radio Navigation for DGCA CPL/ATPL exams.

Explained in simple and clear Hindi, we cover:

🔹 What is DME and its role in navigation
🔹 Working principle: Jittered PRF, Unique Twin Pulse, Random PRF
🔹 Self Triggering — what it is and why it doesn’t happen
🔹 Modes of Operation: Search Mode, Lock Mode & Standby
🔹 DME Accuracy & Range (Slant Range Explained with Example)
🔹 What is Beacon Saturation?
🔹 TACAN vs VOR-DME — Difference & Use
🔹 Frequency pairing of VOR & DME — when and how?
🔹 Identification using Morse Code
🔹 Factors affecting DME performance
🔹 Emission codes used in DME
🔹 Important DGCA exam questions & frequently asked topics

✅ Perfect for student pilots preparing for CPL/ATPL written exams, airline cadet programs, or aviation enthusiasts who want to understand how DME works with real-world examples in Hindi.

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