Seixal Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 37.85706869, -7.42906061
  • RGN sheet: 46B
  • Marker type: PILAR PRISMÁTICO S/ BASE PRISMÁTICA
  • Top altitude: 256.89 m

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Seixal 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° 51' 25.4473" N, 07° 25' 44.6182" W (37.85706869, -7.42906061). RGN identification: 1:50,000 sheet 46B, type PILAR PRISMÁTICO S/ BASE PRISMÁTICA. Altimetry: orthometric altitude at the top 256.89 m; at the base 254.08 m; ellipsoidal altitude at the top 311.92 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-46b-seixal

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