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5) When a new point (station point) and three or more known points are arranged on the same
circumference. (Refer to Fig. 2)
※ When searching for a new point by a FREESTATION and surveying by installing a machine in the
point, accuracy may not be stabilized compared with the case where a machine is installed on a
known point. In the work which needs a high-precision survey, we cannot recommend you.