Example of output from Persistent Scatterer Interferometry

The Persistent Scatterer Interferometry (PSI) methods are a group of new and technologically advanced technologies for measuring relative position of (usually) bright targets in the direction of the satellite line-of-sight (LOS) with millimetric accuracy in ideal cases.

In response to a recommendation of the Fringe 2003 Workshop, ESA initiated the Persistent Scatterer Interferometry Codes Cross-Comparison And Certification (PSIC4) Project to produce reliable information about the accuracy and dependability of these methodologies.

The work is divided into two phases. The first concerns parallel processing of identical stacks of data by the participating EO service providing contractors. The second is an independent validation of the results that will be carried out by a separate consortium of survey experts.

This website provides details of the project, its participants, activities and its results within the DOCUMENTS-section. Navigate between pages using the menu on the left.

Latest News (August 2007): PSIC4 FINAL REPORTS available

Keywords: ESA European Space Agency - Agence spatiale europeenne, observation de la terre, earth observation, satellite remote sensing, teledetection, geophysique, altimetrie, radar, chimique atmospherique, geophysics, altimetry, radar, atmospheric chemistry