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Nowadays, airborne geophysical data can be obtained in low costs rapidly. Among airborne geophysical systems to acquire magnetic, electromagnetic and radiometric data, helicopter geophysical systems play an important role in exploration of mineral deposits in large areas. In general, using airborne systems to measure electromagnetic data, we can obtain two-dimensional conductivity-depth sections, and then, a threedimensional conductivity model from the subsurface of the survey area. Consequently, the lateral and v...