Horta da Avidreira Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 39.37811767, -7.55049561
  • RGN sheet: 28D
  • Marker type: PILAR CILINDRICO S/ BASE CILINDRICA
  • Top altitude: 411.35 m

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Horta da Avidreira 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° 22' 41.2236" N, 07° 33' 1.7842" W (39.37811767, -7.55049561). RGN identification: 1:50,000 sheet 28D, order 2, type PILAR CILINDRICO S/ BASE CILINDRICA. Altimetry: orthometric altitude at the top 411.35 m; at the base 408.34 m; ellipsoidal altitude at the top 466.32 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-28d-horta-da-avidreira

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