Data produced as part of ESA Terrafirma project. The PSI processing has been carried out by AI (
[email protected]). PSI processing used 38 scenes of ERS data. Number of of points = 63148, Point density = 117 PS/km2, Reference point location is lon: -1.14145289752, lat: 37.9918966588. 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.