João Nunes Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 39.92730172, -7.17860092
  • RGN sheet: 25A
  • Marker type: PILAR TRONCO-CÓNICO
  • Top altitude: 394.67 m
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João Nunes 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° 55' 38.2862" N, 07° 10' 42.9633" W (39.92730172, -7.17860092). RGN identification: 1:50,000 sheet 25A, order 3, type PILAR TRONCO-CÓNICO.

Altimetry: orthometric altitude at the top 394.67 m; at the base 391.15 m; ellipsoidal altitude at the top 449.61 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-25a-joao-nunes

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