Usagra Geodetic Marker

Usagra Geodetic Marker is a point in the Portuguese National Geodetic Network (RGN), the reference network used for mapping, surveying and geographic measurement in Portugal.

Coordinates: 37° 51' 17.8989" N, 07° 21' 50.4973" W (37.85497192, -7.36402703). RGN identification: 1:50,000 sheet 47A, order 3, type PILAR CILINDRICO S/ BASE PRISMÁTICA.

Altimetry: orthometric altitude at the top 240.62 m; at the base 238.16 m; ellipsoidal altitude at the top 295.68 m.

This record is based on official RGN coordinate data and is useful for understanding the landscape, planning map work or identifying a precise geographic reference point. Local access conditions can vary, so check the terrain before visiting.

RGN source ID: rgn-47a-usagra