Data produced as part of ESA Terrafirma project. The PSI processing has been carried out by Hansje Brinker BV ([email protected]). PSI processing used 19 scenes of TSX data. Number of of points = 18563, Point density = 308 PS/km2, Reference point location is lon: 8.1230811, lat: 53.523794. 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.