Satellite-Based Augmentation Systems (SBAS)

Satellite-Based Augmentation Systems (SBAS) are systems that are used to complement existing GNSS by providing differential corrections that improve GNSS performance, including accuracy, availability, and reliability.

SBAS selection

The image below shows approximate coverage of the SBASs available on the MFD / chartplotter:

  1. ALCOMSAT (Algeria)

  2. AUS-NZ (Australia / New Zealand)

  3. BDSBAS (China)

  4. EGNOS (Europe)

  5. GAGAN (India)

  6. KAAS (Korea)

  7. MSAS (Japan)

  8. NSAS (Nigeria)

  9. SDCM (Russia)

  10. WAAS (USA)

  11. QZSS (Japan)