São Miguel Geodetic Marker

Alter do Chão (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 39.21307622, -7.66160297
  • RGN sheet: 32B
  • Marker type: PILAR TRONCO-CÓNICO S/ IGREJA
  • Top altitude: 365.94 m
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São Miguel 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° 12' 47.0744" N, 07° 39' 41.7707" W (39.21307622, -7.66160297). RGN identification: 1:50,000 sheet 32B, type PILAR TRONCO-CÓNICO S/ IGREJA. Altimetry: orthometric altitude at the top 365.94 m; ellipsoidal altitude at the top 420.76 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-32b-sao-miguel

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