Precise positioning for the maritime sector

Miss Imogen Rea1, Mrs Anna Riddell1

1Geoscience Australia, ,

Geoscience Australia is delivering a national capability that will provide accurate, reliable and instant positioning across Australia and its maritime zones. To ensure that accurate positioning information can be received without the need for mobile phone or internet coverage, we’re delivering an Australian Satellite-Based Augmentation System (SBAS). An SBAS will overcome current gaps in mobile and radio communications and correct positioning signals down to centimetres, greatly benefiting the maritime sector through improved positioning information available anywhere, anytime.

A recent 18 month trial of SBAS signals demonstrated significant benefits of precise positioning across commercial shipping, marine construction, offshore research, cruise, commercial port operations and general harbour management. It’s expected that an operational SBAS will provide greater redundancy to automated and semi-automated port operations, enable real-time hydrographic surveying for dynamic harbour environments and congested areas and replace the costs of subscription services for offshore activities. Demonstrator project participants included Maritime Industry Australia Limited, Acoustic Imaging, Port Authority of NSW and Identic Solutions.

Imogen Rea is a satellite-based augmentation system (SBAS) engineer, working within the Positioning Australia program at Geoscience Australia. She previously worked with users assessing the SBAS test-bed performance and developing an economics benefit study. With a bachelor’s in Aerospace Engineering, Imogen is an advocate for women in STEM and is passionate about communicating the terrestrial applications of space in Australia.

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