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The International Workshop on Navigation, Space and Security.

Meeting was held June 18 and 19 2019, Palazzo del BO, Padova, Italy.

The Robustness and Assurance of Aerospace and Aeronautics navigation system has been one of the top priorities since the early days of navigation and positioning systems. Global Navigation Satellite Systems (GNSS) has been a revolution for its global availability of position and time, as well as for its accuracy and integrity performances. It is estimated that approximately 7% of the European GDP depends on satellite navigation applications, including aviation, maritime, rail, road, energy, telecommunications and financial services. On the other side, robustness and assurance in satellite navigation is an open issue that has yet to be solved within the satellite navigation and space. Cyberattack and cyberwarfare protection systems have been developed for both receivers and applications, integrating sophisticated algorithms or advanced antennas, and finally coupling with alternative navigation systems. The well known GNSS limitations have raised developments for context awareness detection systems, capable to alert and geo-locate sources of interference and attacks. To date, Robust Positioning and Time (RPNT) is still one of the hardest challenges for GNSS.

In the meantime multi-constellation is now a reality; interoperability, multi-GNSS, SBAS and GBAS integration are the top choices for assurance and integrity. Galileo is now an operational service, with a number of services that have been implemented for robust and trusted PNT. Of our particular interest for this workshop are the Galileo Public Regulated Service (PRS), designed for Governmental access and control, the upcoming Galileo Open Service Navigation Message Authentication (OSNMA) and the Galileo Commercial Service (CS). PRS will provide secure ranging and access control to governments, OSNMA will provide authentication of the navigation data, in order to determine in the receiver if the data used for processing was produced by the satellites or falsified. The Galileo CS will enable high accuracy with a dedicated data channel and authentication by enabling signal encryption. The NavSpace 2019 workshop will focus on how multi GNSS, GNSS integration with other technologies and the upcoming Galileo services can enhance ground, aeronautics and space applications.

Which are the top priorities for space robustness, assurance and cybersecurity protection? Which technologies are available to date for detection, mitigation, resilience and response? What are the solutions for the future, and where is the entire space cybersecurity market heading? These and other topics will be considered in the two days workshop.
The workshop was organized in 3 major streams:

- System Updates (Day 1),
- Research Track (Day 2)
- Application Track (Day 2).

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