Senhora do Castelo-M Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 40.61242894, -7.74357094
  • RGN sheet: 17B
  • Marker type: SINAL
  • Top altitude: 628.96 m
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Senhora do Castelo-M 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: 40° 36' 44.7442" N, 07° 44' 36.8554" W (40.61242894, -7.74357094). RGN identification: 1:50,000 sheet 17B, order 1, type SINAL.

Altimetry: orthometric altitude at the top 628.96 m; at the base 628.96 m; ellipsoidal altitude at the top 684.28 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-17b-senhora-do-castelo-m

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