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Introduction — The CNS/ATM System Family

The Five Domains — An Overview

Section 1 — Communication Systems

VHF and HF Communication Systems — How They Work

Data Link — CPDLC and the Future of ATC Communication

Quiz — Communication Systems

Section 2 — Navigation Aids

ILS — The Instrument Landing System

VOR, DME and NDB — Conventional Navigation Aids

GNSS and GBAS — Satellite-Based Navigation for ATSEP

Quiz — Navigation Systems

Section 3 — Surveillance Systems

Primary and Secondary Surveillance Radar — How ATSEP Systems Watch the Sky

ADS-B and Multilateration — Modern Surveillance Technologies

Quiz — Surveillance Systems

Section 4 — Data Processing and System Monitoring

FDPS, RDPS and ATM Automation Systems

System Monitoring and Control — The ATSEP Technical Operations Centre

Troubleshooting Exercise — Fault Diagnosis Scenarios

Revision Workbook — Module 3

Module 3 Final Quiz

This module introduces every major CNS/ATM system domain that ATSEP work with — Communications, Navigation Aids, Surveillance, Data Processing, and System Monitoring and Control. Each system is explained from first principles: what it is, how it works, what it provides to ATC and pilots, and what can go wrong.

CNS/ATM Systems — An Introduction for ATSEP

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