1. ADS-B (Automatic Dependent Surveillance – Broadcast)

ADS-B is short for Automatic Dependent Surveillance–Broadcast. It is a satellite based surveillance system. Aircraft position, velocity, together with identification are transmitted through Mode-S Extended Squitter (1090 MHz).

Majority of the aircraft nowadays are broadcasting ADS-B messages constantly. There are many ways you can set up you own receiver and antenna to start tapping into those signals (DVB-T usb stick, ModeSBeast, Raspberry Pi, RadarScape, etc).

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