Inside GNSS Media & Research

MAY-JUN 2018

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44 Inside GNSS M A Y / J U N E 2 0 1 8 GRICAS gratuity of the service, the worldwide instantaneous coverage of the space segment and the worldwide coverage of the ground segments guarantee a high quality of service and performances that will contribute efficiently to improve air navigation safety. Thanks to projects like GRICAS, SAR and aeronautical authorities have a common understanding on the fact that MEOSAR is a strong, reliable system to ensure commercial f light safety. The space segment is currently performing well and, while it is still under deploy- ment, it has already demonstrated its capability to contribute to SAR opera- tions for aeronautical events. e aircra segment is migrating to benefit from this space segment and the existing SAR ground segment is providing strong results and migrating to the MEOSAR system. However, to fully embrace the MEOSAR evolution and as new opera- tional needs appear, an improvement of the ground segment (MCC, RCC) is required and will allow the MEOSAR system and the Galileo SAR service to reach their maximal potentials. To this extent, EUROCAE will initiate mid-2018 activities to define a Minimum Aviation System Performance Specification for Aircra Emergency Locator Transmit- ter Return Link Service including but not restricted to remote activation of ELT(DT), command to modify the con- tent or transmission rate of the distress message and acknowledgment of recep- tion of beacon messages. In parallel to the on-going develop- ment of an ADT solution for commercial aviation, it is not foreseen to extend the ADT to general aviation. General avia- tion's needs offer very specific challenges in terms of ADT: • large variety of aircras requiring a better beacon autonomy and flexibil- ity, • many different user profiles and stakeholders requiring a common communication solution, • stronger cost constraints. Future efforts will now be oriented towards such user sector, with new activ- ities starting in the coming months (in particular with the GRIMASSE project) to make sure that the MEOSAR system ADT solution can answer to General Aviation needs and improve air naviga- tion safety and security to help saving more lives. Acknowledgment e GRICAS project has received fund- ing from the European GNSS Agency under the European Union's Horizon 2020 research and innovation program under grant agreement No 687556. Additional Resources: 1., "Specification for Second-Generation Cospas-Sarsat 406- MHz Distress Beacons", C/S T.018, which can be found on COSPAS-SAR- SAT website https://www.cospas-sarsat. int Authors Pauline Martin , technical manager of the H2020 G R I C A S p r o j e c t , a n d O p e r a t i o n a l Co n c e p t Engineer in Data Collec- tion in charge of naviga- tion-based innovative services within the Navi- gation Domain of Thales Alenia Space. She is in charge of developing the new operational con- cepts for MEOSAR applications. She is also in charge of Thales Alenia Space attendance to COSPAS-SARSAT. Thibaud Calmettes is technical manager for Data Collection and Sci- entific Application Pro- grams Service within the Navigation Business seg- ment of Thales Alenia Space France. After being the technical responsible for the on-board process- ing equipment during ARGOS 4 development, he is now in charge of various data collection systems, such as Satellite-AIS and VDES, and of develop- ments around MEOSAR, including new generation beacons, signals, and MEOLUT processing. As man- ager for the scientific domain, he also works on the innovative use of GNSS receivers on-board satellites. Yoan Gregoire is radio- navigation and radioloca- tion engineer in the navi- gation/location signals and equipment depart- ment in CNES, the French S p a c e A g e n c y . H i s COSPAS-SARSAT activities cover second-generation beacons specifications development and performance evaluation. He is in charge of the development of a MEOSAR open reference chain developed by CNES and used for signal characterization and performance evalua- tion. M e r c e d e s R e c h e obtained her MSc in Tele- communication Engi- neering from the Univer- s i t a t P o l i t e c n i c a d e Catalunya in 2002. She started to work on Satel- lite Navigation in 2003 with the Centre Nationale d'Etudes Spatiales (CNES) in France. In October 2004 she joined PILDO LABS as aerospace engineer, giving technical sup- port in activities related to GNSS Operational Vali- dation (mainly EGNOS and GBAS) and acting as project manager of several international projects for Eurocontrol, the European Commission and the European GNSS Agency. Nowadays she is one of the managers of the company, in charge of the GNSS Monitoring department, and provides sup- port to the business development activities. Christophe Chatain is in charge of developing and promoting MEOSAR ELT (DT ) product line at ECA Group (ELTA Subsid- iar y). He received his Engineer diploma from Polytech Lille in 1986. He is now involved in several research projects to define future features of COSPAS-SARSAT beacons for ECA Group. Michel Monnerat , man- ager of the advanced projects within the Navi- gation Business segment of Thales Alenia Space France. After working on many radar programs within Alcatel Space, and being in charge of the onboard processing of the ARGOS/SARSAT payloads, he has been involved in the Galileo program since 1998, particularly for the signal design and performance aspects. He is now in charge of the advanced projects department dealing with the developments of Galileo and EGNOS ground stations, Satellite-Based data collect systems, GNSS regulation including standardisation and Spectrum management, as well as Engineer- ing for innovative Location Solutions for land appli- cations. The department is also in charge of Search and Rescue developments.

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