PAZ

PAZ (also designated SEOSAR) is a Spanish national Earth observation mission operated by Hisdesat, launched on 22 February 2018. The satellite carries a single X-band synthetic aperture radar and shares the sun-synchronous TerraSAR-X orbit at approximately 514 km altitude and 97.44 degree inclination.^[1][2] With a 270 km maximum swath and tasking support, PAZ delivers SAR imagery for commercial and government customers.^[1][2] Paired with the TerraSAR-X/TanDEM-X tandem, PAZ enables revisit intervals of approximately four days over target areas.^[3] The mission supports radar backscatter mapping, SAR-based change detection, InSAR surface deformation monitoring, and polarimetric analysis, with applications in subsidence monitoring, disaster damage assessment, transport infrastructure inspection, and maritime vessel tracking.^[1][2]