Data produced as part of ESA Terrafirma project. The PSI processing has been carried out by GRS (
[email protected]). PSI processing used 24 scenes of ENVISAT data. Number of of points = 114714, Point density = 230 PS/km2, Reference point location is lon: 17.549, lat: 47.0896. 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.