Sag ground observation system, portable terminal, computer and sag ground observation method

摘要

An object of the present invention is to allow a worker to safely and easily observe the slack of a wire from the ground regardless of the worker's work experience and the degree of refinement while reducing the number of working personnel involved in observation work when erecting the wire to a steel tower. Do.A sagittal ground observation system according to the present invention controls a tracking mechanism (10b) based on given coordinate data to direct an optical axis of an optical system in a direction of a three-dimensional coordinate specified by the coordinate data. It comprises a possible surveying instrument 10 and a tablet 20 in wireless communication with the surveying instrument 10. The tablet 20 transmits coordinate data of the temperature of the electric wire selected / designated from the list of coordinate data displayed on the touch panel 23 to the surveying instrument 10, and the digital camera 12 with the surveying instrument 10 directed in the direction of the coordinate data Is received and displayed on the touch panel 23.[Selected figure] Figure 1