... Data . ... Models . ... Paraboloid model . ... Dynamic paraboloid model (A2000) allows to calculate the variations of magnetic field of each magnetospheric large scale current systems by empirical data during quite and disturbed periods. ... The IMF penetrated into the magnetosphere as well as field-aligned currents magnetic field are included in the total magnetospheric magnetic field. ... bb(2,i) - ring current magnetic field; . ... BD is the geomagnetic dipole magnetic field at the Earth's...