Data produced as part of ESA Terrafirma project. The PSI processing has been carried out by DLR ([email protected]). PSI processing used 84 scenes of ERS-1 ERS-2 ENVISAT data. Number of of points = 65535, Point density = 52.9 PS/km2, Reference point location is lon: 10.0392729651, lat: 53.5442050381. 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.