Monitorización y Control De Calidad De Las Estaciones De La Red CGPS Topo-Iberia-UJA

Resumo

Measurement of crustal deformation using Global Navigation Satellite System (GNSS)-based techniques was one of the methodologies used in the Topo-Iberia project. Global Positioning System (GPS) was used, and a network of twenty-six continuously operating stations (cGPS) was established on the Iberian Peninsula and in North Africa. GNSS networks require continuous control to ensure that the stations work properly and data quality is appropriate for geodynamic studies. The monitoring and quality control of the Topo-Iberia network stations, being under the charge of the University of Jaén, are developed and presented for the first time in this paper. The quality control processes implemented at the CEACTierra GNSS Service are described, ranging from retrieving GPS data from stations deployed in the field to uploading the data to the Spanish Geological Survey (IGME), the institution in charge of storing them. The quality of a period of almost eleven years is studied in the case of active stations, and the most significant events analyzed. The study shows that the locations of these stations are optimal to form a geodetic network and the values in its quality parameters are on a par with the best IGS stations. Furthermore, this study complements the IGME work by providing information on its collected GPS data that previously did not exist.