---
title: "SPACE-BASED ADS-B (SBA) — aviation glossary — OnlyPlanes"
description: "A constellation of satellites that receives ADS-B Out broadcasts and relays that information to the appropriate surveillance facility."
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  "og:title": "SPACE-BASED ADS-B (SBA) — aviation glossary"
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Operations

# SPACE-BASED ADS-B (SBA)

SBA

TERM · Operations

At a glance

## Meaning of SPACE-BASED ADS-B (SBA)

A constellation of satellites that receives ADS-B Out broadcasts and relays that information to the appropriate surveillance facility.

### More about SPACE-BASED ADS-B (SBA)

A constellation of satellites that receives ADS-B Out broadcasts and relays that information to the appropriate surveillance facility. The currently deployed SBA system is only capable of receiving broadcasts from 1090ES-equipped aircraft, and not from those equipped with only a universal access transceiver (UAT). Also, aircraft with a top-of-fuselage-mounted transponder antenna (required for TCAS II installations) will be better received by SBA, especially at latitudes below 45 degrees.

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