Data produced as part of ESA Terrafirma project. The PSI processing has been carried out by AI ([email protected]). PSI processing used 76 scenes of ERS-1 ERS-2 ENVISAT data. Number of of points = 2213, Point density = 17.26 PS/km2, Reference point location is lon: 21.678037343, lat: 63.1052676565. 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.