The 1090 Megahertz riddle

The 1090 Megahertz riddle: A guide to decoding mode S and ADS-B signals: Second edition

Sun, Junzi (TU Delft Control & Simulation)

2021

Interactive Textbook. In the last twenty years, aircraft surveillance has moved from controller-based interrogation to automatic broadcast. The Automatic Dependent Surveillance-Broadcast (ADS-B) is one of the most common methods for aircraft to report their state information like identity, position, and speed. Like other Mode S communications, ADS-B makes use of the 1090 megahertz transponder to transmit data. The protocol for ADS-B is open, and low-cost receivers can easily be used to intercept its signals. Many recent air transportation studies have benefited from this open data source. However, the current literature does not offer a systematic exploration of Mode S and ADS-B data, nor does it explain the decoding process.

This book tackles this missing area in the literature. It offers researchers, engineers, and enthusiasts a clear guide to understanding and making use of open ADS-B and Mode S data. The first part of this book presents the knowledge required to get started with decoding these signals. It includes background information on primary radar, secondary radar, Mode A/C, Mode S, and ADS-B, as well as the hardware and software setups necessary to gather radio signals. After that, the 17 core chapters of the book investigate the details of all types of ADS-B signals and commonly used Mode S signals. Throughout these chapters, examples and sample Python code are used extensively to explain and demonstrate the decoding process. Finally, the last chapter of the book offers a summary and a brief overview of research topics that go beyond the decoding of these signals.

Aircraft surveillance
ADS-B
Decoding
Mode S
Open data
pyModeS

http://resolver.tudelft.nl/uuid:e33d7314-7352-4bbc-8c03-ce4eeae21101

https://doi.org/10.34641/mg.11

TU Delft OPEN Publishing

9789463664028

2e

Institutional Repository

book

© 2021 Junzi Sun