Alto Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 37.10920203, -7.69146486
  • RGN sheet: 53B
  • Marker type: BOLEMBREANO
  • Top altitude: 53.49 m
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Alto 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° 06' 33.1273" N, 07° 41' 29.2735" W (37.10920203, -7.69146486). RGN identification: 1:50,000 sheet 53B, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 53.49 m; at the base 49.48 m; ellipsoidal altitude at the top 106.15 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-53b-alto

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