Sobreiro Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 37.58276981, -8.51145631
  • RGN sheet: 45C
  • Marker type: PILAR CILINDRICO S/ BASE CILINDRICA
  • Top altitude: 208.17 m
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Sobreiro 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° 34' 57.9713" N, 08° 30' 41.2427" W (37.58276981, -8.51145631). RGN identification: 1:50,000 sheet 45C, order 4, type PILAR CILINDRICO S/ BASE CILINDRICA.

Altimetry: orthometric altitude at the top 208.17 m; at the base 206.22 m; ellipsoidal altitude at the top 262.22 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-45c-sobreiro

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