List of Articles GPS Open Access Article Abstract Page Full-Text 1 - Studying of Central Alborz's crustal velocity by using ANN method Tohid malekzadeh Dilmaghani Open Access Article Abstract Page Full-Text 2 - Modelling of relation between large earthquakes and ionosphere electron density using GPS data Tohid malekzadeh Dilmaghani Open Access Article Abstract Page Full-Text 3 - Modeling of time series of Earth crust velocity field in Azarbaijan using multilayer neural network with PSO training algorithm Tohid malekzadeh Dilmaghani Open Access Article Abstract Page Full-Text 4 - Modeling of Tabriz north fault by four permanent GPS station in Azerbaijan from2011 to 2020 Tohid malekzadeh Dilmaghani