Sobral Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 40.32431308, -7.32278308
  • RGN sheet: 21A
  • Marker type: BOLEMBREANO
  • Top altitude: 557.34 m
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Sobral 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: 40° 19' 27.5271" N, 07° 19' 22.0191" W (40.32431308, -7.32278308). RGN identification: 1:50,000 sheet 21A, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 557.34 m; at the base 554.86 m; ellipsoidal altitude at the top 613.15 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-21a-sobral

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