Guia Geodetic Marker
Key Facts
- Source: RGN
- Coordinates: 39.94678303, -8.78451056
- RGN sheet: 23A
- Marker type: CRUZ DE IGREJA
- Top altitude: 142.64 m
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Guia 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° 56' 48.4189" N, 08° 47' 4.238" W (39.94678303, -8.78451056). RGN identification: 1:50,000 sheet 23A, type CRUZ DE IGREJA. Altimetry: orthometric altitude at the top 142.64 m; at the base 127.08 m; ellipsoidal altitude at the top 196.55 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-23a-guia
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