SBS-2
Specialised Functionality
The SBS-2 is a professional version of the best-selling and award-winning, innovative SBS-1 Real-Time Virtual Radar, compliant with the DO-260A standard. The SBS-2 is a standalone receiving station with Mode-S and ADS-B processing and RF monitoring . Signals processed are SSR replies (on 1090 MHz), and Mode-S Extended Squitter (ADS-B).
Decoded data available from Mode S / ADS-B transmissions includes:
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Precise UTC date and time signal was received (using GPS synchronisation) | ![]() |
Date/Time of last position update |
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Signal strength | ![]() |
Navigational Uncertainty Category (NUC) |
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24-bit aircraft address | ![]() |
Aircraft ID |
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Mode-S download format | ![]() |
Aircraft Category |
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Altitude reported (Flight level) | ![]() |
Mode 3/A 4096 code (Squawk) |
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Altitude AMSL (calculated using pressure sensor) | ![]() |
Squitter status |
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Position (Lat/Long) | ![]() |
Transponder capability |
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Horizontal and Vertical velocity | ![]() |
Surveillance status (SPI, alert) |
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Single antenna flag (SAF) |
Mode A/C signals provide timestamp and signal strength plus Mode A 4096 code or altitude data only.

