Guiné Geodetic Marker

Tunes (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 37.17862733, -8.24732061
  • RGN sheet: 49D
  • Marker type: BOLEMBREANO S/ CILINDRO
  • Top altitude: 211.1 m
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Guiné 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° 10' 43.0584" N, 08° 14' 50.3542" W (37.17862733, -8.24732061). RGN identification: 1:50,000 sheet 49D, order 2, type BOLEMBREANO S/ CILINDRO. Altimetry: orthometric altitude at the top 211.1 m; at the base 204.6 m; ellipsoidal altitude at the top 264.22 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-49d-guine

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