Pedra Sina Geodetic Marker
Key Facts
- Source: RGN
- Coordinates: 40.67957286, -7.19961633
- RGN sheet: 18A
- Marker type: BOLEMBREANO
- Top altitude: 675.86 m
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In Freixedas
Pedra Sina 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° 40' 46.4623" N, 07° 11' 58.6188" W (40.67957286, -7.19961633). RGN identification: 1:50,000 sheet 18A, type BOLEMBREANO. Altimetry: orthometric altitude at the top 675.86 m; at the base 673.38 m; ellipsoidal altitude at the top 731.88 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-18a-pedra-sina
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