Data produced as part of ESA Terrafirma project. The PSI processing has been carried out by Hansje Brinker BV (firstname.lastname@example.org). PSI processing used 68 scenes of Envisat data. Number of of points = 10335, Point density = 170 PS/km2, Reference point location is lon: 8.124132, lat: 53.52359. 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.