Data produced as part of ESA Terrafirma project. The PSI processing has been carried out by FNPA (
[email protected]). PSI processing used 102 scenes of ERS-1 ERS-2 ENVISAT data. Number of of points = 140831, Point density = 48 PS/km2, Reference point location is lon: 5.61704467104, lat: 50.6334085052. 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.