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In survey project of high voltage transmission line, due to effect of vegetations, the intervisibility condition is very poor; conventional surveying method results in not only a high cost, but also a long construction period and high surveying workload, therefore it is difficult to ensure the restored line to be in consistence with the original straight line. With the aid of GPS (Global Positioning System) technology, survey project of high voltage transmission line can be accomplished conveniently, swiftly, and accurately. The real-time dynamic measurement of RTK (Real Time Kinematic) intelligent positioning system discussed in this paper is characterized by its functions of calculating relative relationships among points, lines and surfaces as well as the function of visual graphical display, and is able to accomplish construction survey, record, as well as high intelligent and integration in calculation. Compared with traditional surveying techniques, it is free from constraints of visual conditions, and can be applied to long distance, while maintaining high speed and high precision. In general, real-time dynamic measurement of RTK intelligent positioning system can significantly improve the production efficiency in engineering applications.