Atalaia 4 Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 37.97035072, -8.42179103
  • RGN sheet: 42D
  • Marker type: BOLEMBREANO
  • Top altitude: 79.11 m
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Atalaia 4 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° 58' 13.2626" N, 08° 25' 18.4477" W (37.97035072, -8.42179103). RGN identification: 1:50,000 sheet 42D, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 79.11 m; at the base 77.13 m; ellipsoidal altitude at the top 133.31 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-42d-atalaia-4

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