Castanheiro Geodetic Marker

Sines (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 37.92869103, -8.73645817
  • RGN sheet: 42C
  • Marker type: BOLEMBREANO
  • Top altitude: 105.77 m
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Castanheiro 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° 55' 43.2877" N, 08° 44' 11.2494" W (37.92869103, -8.73645817). RGN identification: 1:50,000 sheet 42C, order 4, type BOLEMBREANO. Altimetry: orthometric altitude at the top 105.77 m; at the base 102.98 m; ellipsoidal altitude at the top 159.5 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-42c-castanheiro

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