Data produced as part of ESA Terrafirma project. The PSI processing has been carried out by FNPA ([email protected]). PSI processing used 78 scenes of ERS-1 ERS-2 ENVISAT data. Number of of points = 74203, Point density = 65 PS/km2, Reference point location is lon: 14.4222155, lat: 50.0835037. 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.