Porca Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 37.53099381, -8.51534447
  • RGN sheet: 45C
  • Marker type: PILAR CILINDRICO S/ BASE CILINDRICA
  • Top altitude: 169.08 m
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Porca 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: 37° 31' 51.5777" N, 08° 30' 55.2401" W (37.53099381, -8.51534447). RGN identification: 1:50,000 sheet 45C, type PILAR CILINDRICO S/ BASE CILINDRICA.

Altimetry: orthometric altitude at the top 169.08 m; at the base 166.56 m; ellipsoidal altitude at the top 223.24 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-45c-porca

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