1. Introduction

Sq1090 is a system to capture, decode, process, and publish aircraft data from ADS-B receivers.

The project implements applications to receive aircraft data, perform decoding of data like aircraft identity and position, store data in a database for analytics, and provide stream of data for real-time applications.

The project publishes raw and decoded aircraft data to the Internet Archive under ODbL license, version 1

This allows free distribution of the data for personal, research, and commercial use.

Range of one of Sq1090 network stations

Figure 1.1 Range of one of Sq1090 network stations