João Velho Geodetic Marker

Santiago do Cacém (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 38.02136739, -8.56016122
  • RGN sheet: 42C
  • Marker type: BOLEMBREANO
  • Top altitude: 172.81 m
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João Velho 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: 38° 01' 16.9226" N, 08° 33' 36.5804" W (38.02136739, -8.56016122). RGN identification: 1:50,000 sheet 42C, type BOLEMBREANO. Altimetry: orthometric altitude at the top 172.81 m; at the base 170.83 m; ellipsoidal altitude at the top 226.8 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-joao-velho

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