Abstarct: Today, electromagnetic waves are present everywhere, and since the presence or absence of these waves in the environment is beyond our control, the presence of these waves in environments that are not designed for their propagation causes problems. Throughout history, the emission of these unwanted waves has caused destructive incidents such as plane crashes and rocket launches. Therefore, the concept of electromagnetic compatibility (EMC) is proposed. The main approach of this compatibility is the ability of electronic equipment and systems to limit the reception of unwanted electromagnetic energies and to function properly. These unwanted electromagnetic energies may cause other unwanted effects such as magnetic interference (EMI). This energy may even cause damage to system equipment. The purpose of magnetic compatibility is the correct operation of different equipment in an electromagnetic environment. Electromagnetic fields caused by lightning induce a lot of voltage and current in the surrounding environment, and the ability to control this unwanted voltage and current can prevent many life and financial injuries and save additional costs. The conducted studies show that the frequency-dependent behavior of the soil in some cases can lead to an increase or decrease of induced currents on the cable. The results show that this frequency dependence affects the components of the electromagnetic field below and on the ground and will have significant effects on the induced current on the cable. In this thesis, the lightning channel is approximated as a wire antenna baxsed on Maxwell's equations. In this model, Maxwell's equations are used to obtain the current distribution along the lightning channel using numerical techniques such as the moment method. The lightning channel is assumed to be a thin wire antenna, and the antenna current, which is the unknown we are looking for, is obtained by numerically solving the integral equation of the electric field of the thin wire using the moment method. The moment method is a numerical technique that transforms an operational equation into matrix equation can be solved by computational method.