São Gião Geodetic Marker

Abrantes (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 39.50701911, -8.16918300
  • RGN sheet: 27B
  • Marker type: BOLEMBREANO
  • Top altitude: 154.51 m
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São Gião 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° 30' 25.2688" N, 08° 10' 9.0588" W (39.50701911, -8.16918300). RGN identification: 1:50,000 sheet 27B, type BOLEMBREANO. Altimetry: orthometric altitude at the top 154.51 m; at the base 152.01 m; ellipsoidal altitude at the top 209.22 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-27b-sao-giao

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