Sobral Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 39.76586417, -8.20407489
  • RGN sheet: 23D
  • Marker type: BOLEMBREANO
  • Top altitude: 284.62 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: 39° 45' 57.111" N, 08° 12' 14.6696" W (39.76586417, -8.20407489). RGN identification: 1:50,000 sheet 23D, order 2, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 284.62 m; at the base 282.09 m; ellipsoidal altitude at the top 339.87 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-23d-sobral

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