The 1090 Megahertz Riddle (second edition)

A Guide to Decoding Mode S and ADS-B Signals
By: Junzi Sun (

About the Author

Junzi Sun is an assistant professor at TU Delft, currently working in the CNS/ATM group of the Aerospace Engineering Faculty. He is passionate about open-source, open science, and making air transportation more sustainable.

He was born in China and completed his bachelor’s degree in telecommunication at Beijing University of Posts and Telecommunications. Then, he moved to Europe and obtained his master’s degree in aerospace engineering at Polytechnic University of Catalonia. After that, he worked in Spain and France for a few years before continuing his doctoral research in the Netherlands, where he obtained his Ph.D. degree and currently works and lives.

© Copyright 2021 Junzi Sun. Build with LaTeX, Pandoc, and GitHub