Data produced as part of ESA Terrafirma project. The PSI processing has been carried out by HB ([email protected]). PSI processing used 73 scenes of ENVISAT data. Number of of points = 1433, Point density = 23.4 PS/km2, Reference point location is lon: 5.43369176586, lat: 53.1659446696. 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.