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The geomagnetic field varies in time and space, being a signal composed of periodic and non-periodic elements and is monitored in a tri-axial system within the geomagnetic observatories of the INTERMAGNET network across the planet. In the work, based on these data, we use for spectral evaluation (Fourier, wavelet, signal decompositions in approximations and details with various functions on different levels, etc.) in order to analyze different geomagnetic phenomena (such as: geomagnetic storms, disturbances, etc.)...

Within the core project called "Geomagnetism, a modern tool in space weather forecasting and rapid response to associated natural hazards for the protection of critical infrastructures and national air traffic security", we implemented a Web-GIS platform with ARCGIS Server, which can be viewed in an internet browser at: http://harti.igr.ro/masuratori_aeroporturi. The thematic layers in the application, at the level of the entire country, are the locations of magnetic declination measurements for all airports in Ro...