Some of the most innovative techniques of three-dimensional surveying were used to sur-vey eighteen tombs and the Volumni Hypogeum in the Necropolis of Palazzone. The GNSS (acronym for Global Navigation Satellite System) was used to establish the rela-tive 3D position of each tomb with respect to the others and to collect the data in a single cartographic reference system (European datum ETRF2000). The precision of the positions shows an accuracy of about 2 cm. The total optical-electronic station allow to position the tombs below the ground level not reachable by satellite signal. Used for GNSS network. The total station used in surveying the Necropolis was a Leica TS06, characterized by an accuracy of about 2 mm over distances. With the total station, the framing network was completed, connecting the external points to the tombs previously measured with GNSS to the tops and inside targets of the tombs.
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