Portela Geodetic Marker

Constância (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 39.45311347, -8.32314869
  • RGN sheet: 27D
  • Marker type: TRIPLO CILINDRO
  • Top altitude: 153.53 m
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Portela 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: 39° 27' 11.2085" N, 08° 19' 23.3353" W (39.45311347, -8.32314869). RGN identification: 1:50,000 sheet 27D, order 4, type TRIPLO CILINDRO. Altimetry: orthometric altitude at the top 153.53 m; at the base 147.01 m; ellipsoidal altitude at the top 208.06 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-27d-portela

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