Data produced as part of ESA Terrafirma project. The PSI processing has been carried out by FNPA ([email protected]). PSI processing used 62 scenes of ERS-1 ERS-2 data. Number of of points = 27113, Point density = 19 PS/km2, Reference point location is lon: 8.4051226439, lat: 55.5085546054. 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.