Our investigations are based on the property that the fields of sources, whose depths are numerically equal to survey heights, are most brightly presented in the data of magnetic survey. Therefore, the magnetic field created by the upper boundary of the magnetically active layer is well presented in the data of magnetic surveys (survey heights are up to the first kilometres), whereas the geomagnetic field of the centre mass is well presented in the data of gradient magnetic surveys at heights of 20-40 km. These data were used separately for the interpretation of the depths of the upper and lower boundaries of the lithospheric magnetically active layer by spectral methods. This fact is especially valuable for estimating the positions of deep sources. For the central part of the East European platform, we obtained by spectral methods, the following values: the depth of the upper boundary of the layer is 8.5 km and that of the lower boundary of the layer is 64.3 km. The discrete localisation of the source depths along the profile is performed by the methods of converting the initial information into transformed fields, continuation upward, and reduction to the pole with the determination of singular points. The Poisson integral, representing the solution of the outer Dirichlet problem for the plane, served as a theoretical base for such an interpretation. These approaches made it possible to determine more exactly the localisation of deep sources along the profile and showed that the published magnetic maps based on aeromagnetic data do not contain in full measure the fields of deep-seated magnetic sources.
Russia has strong experience, leadership and in the field of aerospace, as well as a history of successful cooperation with Mexican universities. The National Autonomous University of Mexico (UNAM) established a solid relationship during the development of the UNAMSAT project 1996. In 2007 that triggered the decision to start a technical scientific cooperation program signed with the Russian Federation, the satellite project "CONDOR UNAM-MAI", with scientific and educational purposes, in which Russian participation is coordinated by the Moscow Aviation Institute (MAI). The UNAM project coordination is performed by the Faculty of Engineering with the aim of developing the foundations for establishing a long term academic program in spatial engineering. On the other hand, the MAI is intended to assist UNAM and other Mexican institutions by developing its space engineering program through postgraduate studies in the Russian Federation, plus the addition of a satellite project with benefits for both nations. The experiment for detecting ionospheric earthquake precursors as the primary mission was selected, and the project started.Currently the project has expanded and includes more institutions from both countries and the Central University of Taiwan to contribute with scientific instrumentation for the formation of the satellite payload.
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