Oiã Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 40.54317717, -8.54203483
  • RGN sheet: 16C
  • Marker type: CRUZ DE IGREJA
  • Top altitude: 86.7 m
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Oiã 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° 32' 35.4378" N, 08° 32' 31.3254" W (40.54317717, -8.54203483). RGN identification: 1:50,000 sheet 16C, type CRUZ DE IGREJA.

Altimetry: orthometric altitude at the top 86.7 m; at the base 62.21 m; ellipsoidal altitude at the top 141.5 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-16c-oia

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