São Mamede 1 Geodetic Marker

São Mamede (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 39.60423289, -8.70154508
  • RGN sheet: 27A
  • Marker type: BOLEMBREANO
  • Top altitude: 498.76 m
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São Mamede 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: 39° 36' 15.2384" N, 08° 42' 5.5623" W (39.60423289, -8.70154508). RGN identification: 1:50,000 sheet 27A, type BOLEMBREANO. Altimetry: orthometric altitude at the top 498.76 m; at the base 495.72 m; ellipsoidal altitude at the top 553.31 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-27a-sao-mamede-1

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