Fonte Longa Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 39.76538194, -7.72191567
  • RGN sheet: 24D
  • Marker type: PILAR TRONCO-CÓNICO
  • Top altitude: 365.77 m
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Fonte Longa 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' 55.375" N, 07° 43' 18.8964" W (39.76538194, -7.72191567). RGN identification: 1:50,000 sheet 24D, type PILAR TRONCO-CÓNICO.

Altimetry: orthometric altitude at the top 365.77 m; at the base 363.07 m; ellipsoidal altitude at the top 421.16 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-24d-fonte-longa

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