Cardeira Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 39.98281744, -7.15627425
  • RGN sheet: 25A
  • Marker type: PILAR TRONCO-CÓNICO
  • Top altitude: 378.02 m
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Cardeira 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° 58' 58.1428" N, 07° 09' 22.5873" W (39.98281744, -7.15627425). RGN identification: 1:50,000 sheet 25A, order 2, type PILAR TRONCO-CÓNICO.

Altimetry: orthometric altitude at the top 378.02 m; at the base 375.33 m; ellipsoidal altitude at the top 433.08 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-cardeira

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