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Open ADS-B data
global coverage
Italian MLAT

We collect ADS-B and Mode-S data from our worldwide receiver network, with MLAT active over Italy — including military aircraft. Non-profit, unfiltered.

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What we collect

Global ADS-B coverage

Aggregated feed from our worldwide receiver network, adsb.lol and theairtraffic.com. Global coverage, high density over Italy and the Mediterranean.

aircraft.json · 0.2s

Italian MLAT

Multilateration on aircraft without full ADS-B transponders, including Italian military. The only active MLAT service over Italy.

mlat-server · port 30100

Mode-S BDS50/BDS60

True Air Speed, magnetic heading and Mach number via Mode-S Comm-B. Used to reconstruct upper-troposphere wind profiles.

Mode-S EHS · BDS50 · BDS60

Ongoing research

From airspace to science

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Meteorology Ongoing

Upper-troposphere wind measurement from aircraft in flight

Commercial aircraft are distributed meteorological sensors at altitude. By extracting wind components from Mode-S messages (BDS50/BDS60) and comparing them against ERA5 reanalysis and IASI satellite profiles, we are validating the quality of avionics data as an independent meteorological source.

Method
W = Vground − Vair
Validation
ERA5 · IASI (MetOp)
Typical RMSE
6.5–7.4 m/s (u, v)
Mode-S vs ERA5
Bias u +0.21 m/s
Bias v +1.77 m/s
RMSE u 7.38 m/s
RMSE v 6.57 m/s
Jun 23, 2025

Contribute

Join the network

Data quality depends on network density. A Raspberry Pi and an RTL-SDR antenna are all you need to add coverage to your area. Total cost under €30.