Data produced as part of ESA Terrafirma project. The PSI processing has been carried out by HUA (). PSI processing used 34 scenes of TSX data. Number of of points = 5984, Point density = 950 PS/km2, Reference point location is lon: 21.76404, lat: 38.33197. Terrafirma service providers have been validated by the ESA funded ValProj (http://www.terrafirma.eu.com/product_validation.htm) and passed an assessment to be a certified service provider.