Data produced as part of ESA Terrafirma project. The PSI processing has been carried out by TRE ([email protected]). PSI processing used 20 scenes of ENVISAT data. Number of of points = 4978, Point density = 29 PS/km2, Reference point location is lon: 16.1601640958, lat: 38.4812203247. 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.