Castelo 1 Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 37.38807014, -7.60621300
  • RGN sheet: 50B
  • Marker type: BOLEMBREANO
  • Top altitude: 243.17 m
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Castelo 1 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° 23' 17.0525" N, 07° 36' 22.3668" W (37.38807014, -7.60621300). RGN identification: 1:50,000 sheet 50B, order 3, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 243.17 m; at the base 240.65 m; ellipsoidal altitude at the top 297.16 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-50b-castelo-1

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