Currently, GNSS reference networks are costly infrastructures that need specialized equipment and high costs for installation and maintenance. For this reason, most of the public and private GNSS networks are not very dense in the European territory and much less Worldwide. The final goal of GREAT aims at the realization of infrastructures that bring the advantages of differential GNSS processing (both real-time and post-processing), in terms of precision and accuracy ranging from sub-meter (DGNSS technique) up to millimetre level (static differential processing), to the widest community of end-users as possible.
The objective is very challenging but also important, that’s why GSA decided to co-found it. Spaceexe is proud to be the coordinator of a consortium composed of other 3 highly innovative SME (Yetitmoves, Teria and M3System) that can cover all the development and market chain for the exploitation of the GREAT project.
Today, a large number of new applications, highly demanding in terms of positioning accuracy, would need to receive real-time differential corrections from reference stations that are 15 km or less far away. In this context, the density of the GNSS networks could become a key factor for the development of innovative services. Moreover, some new safe sensitive applications such as autonomous driving and drones’ navigation will need reliable networks of reference stations that shall be redundant and resilient not only to local spoofing and jamming attacks but also in general to cyber-attacks and emergency situations (e.g. earthquakes or natural disasters). In this scenario, the purpose of the GREAT project is the development, test, and demonstration of the next generation of low-cost GNSS reference stations: high-level performance but extremely cost-saving.
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