Abstract: GPS technology has brought a revolutionary change in the navigation, positioning and geodetic survey areas. It has the advantages of fast, working under all-weather conditions, highly automated, no need for invisibility between survey stations and simultaneously determining the deformation in three directions. The plumb at the center and the torsion of the shaft of a television tower are monitored through GPS positioning technique. The tower was monitored throughout the periodical data acquisition and the data were processed later on. The results indicate that the deformation monitoring of the building by using GSP position system is successful.

Key words: GPS, Positioning Technology, Deformation Monitoring