GNSS Satellite-Based Augmentation Systems for Australia Dr. Suelynn Choy School of Science, RMIT University GPO BOX 2476V, Melbourne 3001, Victoria, Australia. Tel: +61 3 9925 2650 Fax: + +61 3 9663 2517 Email:
[email protected] Dr. Joost Kuckartz School of Science, RMIT University GPO BOX 2476V, Melbourne 3001, Victoria, Australia. Email:
[email protected] Professor Andrew G Dempster School of Electrical Engineering & Telecommunications, The University of New South Wales (UNSW) Sydney 2052, New South Wales, Australia. Tel: +61 2 93856890 Fax: +61 2 93855519 Email:
[email protected] Professor Chris Rizos School of Civil & Environmental Engineering, The University of New South Wales (UNSW) Sydney 2052, New South Wales, Australia. Tel: +61 2 93854205 Fax: +61 2 9385 6139 Email:
[email protected] Matt Higgins Queensland Department of Natural Resources and Mine Brisbane 4000, Queensland, Australia. Tel: +61 7 389 63754 Email:
[email protected] 1 GNSS Satellite-Based Augmentation Systems for Australia ABSTRACT This paper provides an overview of various Satellite-Based Augmentation Systems (SBAS) options for augmented GNSS services in Australia, and potentially New Zealand, with the aim to tease out key similarities and differences in their augmentation capabilities. SBAS systems can technically be classified into two user categories, namely SBAS for aviation and “non-aviation” SBAS. Aviation SBAS is an International Civil Aviation Organisation (ICAO) certified civil aviation safety critical system providing wide-area GNSS augmentation by broadcasting augmentation information using geostationary satellites. The primary aim is to improve integrity, availability and accuracy of basic GNSS signals for aircraft navigation.