HSTR emerges as a novel Space Surveillance and Tracking (SST) sensor, purpose-built by Greece to augment the existing network of European SST sensors. This development is particularly crucial considering the growing density of the LEO region, exacerbated by the expansion of mega-constellations. The integration of HSTR into the European surveillance network marks a fresh step towards Europe crafting its own SST catalogue for the LEO region, promising to enhance the precision of existing catalogues.

The role of GMV in this endeavor is multifaceted and significant. Entrusted with handling the external interfaces, GMV is also responsible for implementing the planning and tasking (scheduling) component of the radar system. This responsibility includes contributing to both the system-level specification and the detailed design, implementation, and validation of the external interfaces and scheduling subsystems.

The technical approach adopted by GMV in the HSTR project incorporates the stare-and-chase concept, utilizing state-of-the-art algorithms for scheduling optimization. This approach is instrumental in tracking space debris, a growing concern for space agencies and satellite operators worldwide. By efficiently detecting and following space debris, the HSTR will aid in critical SST operations such as orbit refinement, re-entry prediction, and collision avoidance.

Additionally, GMV's involvement in the HSTR project is a testament to its growing expertise and prominence in the area of sensor planning and tasking. The company's experience in this field is extensive, backed by its participation in several projects with EU national space agencies.

The HSTR radar is not merely a technological marvel; it represents a broader commitment to space safety and sustainability. The radar will support various operations under the EU SST partnership, a collaborative effort aimed at enhancing Europe's autonomous capabilities in space situational awareness. These operations include vital services like orbit analysis, re-entry forecasting, and the prevention of in-orbit collisions, areas where GMV has already demonstrated considerable prowess.

The project not only underscores the importance of international cooperation in space endeavors but also highlights the evolving nature of space surveillance technologies. As the LEO environment becomes more crowded with satellites, the need for sophisticated, reliable systems for tracking space debris becomes increasingly paramount. The HSTR, with its advanced capabilities and strategic positioning within Europe's SST network, represents a significant advancement in this field.

The Greek Space Debris Tracking Radar project, backed by ESA and brought to fruition by a consortium including GMV, marks a new chapter in Europe's journey towards enhanced space situational awareness and the safeguarding of its orbital assets. Through this project, Europe takes a confident step forward in maintaining the safety and sustainability of its space operations.

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