Update on Australia and New Zealand DFMC SBAS and PPP System Results

Julián Barrios, José Caro, Jesús D. Calle, Enrique Carbonell, José Gabriel Pericacho, Guillermo Fernández, Victor M. Esteban, Miguel A. Fernández, Fernando Bravo, Borja Torres, Alessandra Calabrese, Armais Diaz, Irma Rodríguez, María Dolores Laínez, Miguel M. Romay, Robert Jackson, Patrick E. Reddan, Deane Bunce, Claudio Soddu

Abstract:	During 2017 and 2018 a second generation satellite positioning augmentation system is being demonstrated in Australia and New Zealand. This prototype system provides Satellite Based Augmentation (SBAS) and Real Time Precise Point Positioning (PPP) capabilities through the SBAS L1 and L5 signals broadcast from the Inmarsat 4F1 geostationary satellite. The Australia and New Zealand SBAS and PPP Testbed is promoted by Geoscience Australia (GA), Land Information New Zealand (LINZ), and the Australia and New Zealand Cooperative Research Centre for Spatial Information (CRCSI). The system has been developed in collaboration with industry partners Lockheed Martin, Inmarsat and GMV. The services and signals broadcast during the Testbed operations consist of the following: • SBAS L1 legacy service available for GPS L1 single-frequency users in Australia and New Zealand. • SBAS DMFC L5 service available for GPS L1/L2 + GAL E1/E5a dual-frequency users in the Inmarsat 4F1 coverage footprint. • PPP corrections through SBAS L1 message, targeting GPS L1/L2 dual-frequency users • PPP corrections through SBAS L5 message, targeting GPS L1/L2 + GAL E1/E5a dual-frequency users. The transmissions of SBAS signals started in May 2017, while the transmission of the PPP services were initiated in October 2017. The primary objective of this paper is to provide, from the point of view of the system developers, an update on the Testbed service definition, infrastructure status and performances achieved during 2017-2018 system operation.
Published in:	Proceedings of the 31st International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2018) September 24 - 28, 2018 Hyatt Regency Miami Miami, Florida
Pages:	1038 - 1067
Cite this article:	Barrios, Julián, Caro, José, Calle, Jesús D., Carbonell, Enrique, Pericacho, José Gabriel, Fernández, Guillermo, Esteban, Victor M., Fernández, Miguel A., Bravo, Fernando, Torres, Borja, Calabrese, Alessandra, Diaz, Armais, Rodríguez, Irma, Laínez, María Dolores, Romay, Miguel M., Jackson, Robert, Reddan, Patrick E., Bunce, Deane, Soddu, Claudio, "Update on Australia and New Zealand DFMC SBAS and PPP System Results," Proceedings of the 31st International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2018), Miami, Florida, September 2018, pp. 1038-1067. https://doi.org/10.33012/2018.15932
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