Register of GNSS Augmentation services

IALA Recommendation R1022 enables GNSS augmentation service providers to formally declare their service offerings for maritime navigation applications.

IALA National members and other appropriate authorities/organizations providing GNSS augmentation services for maritime use are required to submit a formal declaration of their service in the format of the Annex of R1022. They must update the information when any changes occur that modify the characteristics of the service or require mariners to update their equipment.

For registration of your information to this site, please contact the technical manager:

The Southern Positioning Augmentation Network

The Southern Positioning Augmentation Network (SouthPAN) is a joint initiative of the Australian and New Zealand Governments that provides Satellite-Based Augmentation System (SBAS) services for Australia and New Zealand.  Three early Open Services became available in 2022.  More information on SouthPAN can be found at

Geoscience Australia as the Australian Government lead agency, is working in collaboration with Toitū Te Whenua Land Information New Zealand on the development, deployment, and operation of SouthPAN, the first SBAS in the southern hemisphere.

SouthPAN is a Satellite-Based Augmentation System (SBAS) comprised of reference stations, telecommunications infrastructure, computing centres, signal generators, and satellites that provide improved positioning and navigation services in Australia, New Zealand, and its maritime region.

Precise positioning from SouthPAN offers accuracy at as little as 10 centimetres: a significant improvement on previous accuracy of 5 to 10 metres.  SouthPAN provides augmented and corrected satellite navigation signals directly from the satellite rather than through a mobile phone.  This allows 10 centimetre level accuracy to be available everywhere, overcoming gaps in mobile, internet and radio communications.

Early Open Services became available to users in September 2022.  A certified Safety of Life Service is expected to be available from 2028.

More information:

EGNOS Safety of Life assisted service for Maritime users (ESMAS)

Satellite based Augmentation System (SBAS), as the system providing wide area or regional GNSS augmentation, is recognized by IALA as an Aid to Navigation (AtoN). Thus, EGNOS as the European SBAS, provides the EGNOS SoL assisted service for Maritime Users (ESMAS) GPS augmentation service to enable maritime navigation for SOLAS operations. EGNOS SoL assisted service for Maritime Users (ESMAS) offers a service tailored to maritime users enabling marine navigation in ocean waters, harbour entrances, harbour approaches and coastal waters of the European Union Member States and EGNOS contributing countries (Iceland, Norway and Switzerland) in line with IMO Resolution A.1046.

Further information can be found here:

Service Provider aspects

Service provider Name: European Union Agency for the Space Program (EUSPA)

Service provider Address: Janovského 438/2, 170 00 Prague 7 – Holesovice, Czech Republic

Contact number: Helpdesk 24/7. Call +34 911 236 555 Contact e-mail: