Data produced as part of ESA Terrafirma project. The PSI processing has been carried out by TRE ([email protected]). PSI processing used 17 scenes of ENVISAT data. Number of of points = 10189, Point density = 22.3 PS/km2, Reference point location is lon: 15.6498945908, lat: 38.1070488245. 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.