Variations of ionospheric-magnetospheric relation energy, as one of the possible outer climatology factors, may be traced on the basis of analysis of natural geophysical phenomena such as ionosphere artificial radio radiation and magnetic storms. Experiments on active impact on the ionosphere have been carried out for quite a long time in Russia as well. The most modern heating stand is located in Alaska; it has been used within the HAARP Program. The possibility of this stand to affect geophysical fields, in particular, the geomagnetic field is of interest.Key words: ionosphere modification, Earth magnetic field.Ionosphere property changes under the influence of powerful radio wave were first detected in 1933 and it is known as a Luxemburg-Gorkov'skiy effect [1,2]. In 60-es of the last century, intensive investigations of ionosphere modification began, which were stopped in 90-es. At present, such investigations in Russia are carried out at Sura test stand (Nizhniy Novgorod, NIRFI). There are several programs within which modification is studied and the technology to affect the ionosphere is developed. The most famous of them is HAARP (High Frequency Active Auroral Research Program). Investigations on this program are carried out in Alaska, not far from Gakona with geographic coordinates 62°23′36′′ N, 148°08′03′′W. As an instrumentation to affect the ionosphere a powerful electromagnetic radiation in decameter range is used. The radiation effective power is of hundreds of megawatt and the radiation frequency range is 2.8÷10.0 MHz.Experiments, carried out within the program, include investigations on ionosphere plasma properties and effects associated with its modification. One of the directions of the study is whistler range wave generation aimed at the controlled dumping of energetic particles from the Earth radiation belts. In order to do that, electrojet, natural current structure, located in the ionosphere at E layer level, was affected. Modulation effect of powerful electromagnetic radiation envelope current jet was discovered by Getmantsev [2]. He also showed that the effect appeared mainly in polar regions and during magnetic storms, i.e. it depends on geophysical environment. Further investigations showed [1], that radiation efficiency depends on modulation frequency, and in geomagnetic pulsation range the artificial disturbance amplitude may be several nT, i.e. artificial variations of magnetic field become the most intensive after magnetic storms. These artificial disturbances may be applied for different purposes including, as it was previously mentioned, for energetic particle dumping from the Earth radiation belts. In this case additional disturbance of geomagnetic field is possible due to the current increase in electrojet as a consequence of energetic particle precipitation into the ionosphere. The main question during Getmantsev effect realization is the pump wave energy transformation into low-frequency signal energy. In order to do that, heating wave parameters were preliminarily varied, that i...