Calhau do Corvo Geodetic Marker
Key Facts
- Source: RGN
- Coordinates: 38.80867531, -9.48242247
- RGN sheet: 34A
- Marker type: BOLEMBREANO
- Top altitude: 73.97 m
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Calhau do Corvo 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° 48' 31.2311" N, 09° 28' 56.7209" W (38.80867531, -9.48242247). RGN identification: 1:50,000 sheet 34A, type BOLEMBREANO. Altimetry: orthometric altitude at the top 73.97 m; at the base 71.39 m; ellipsoidal altitude at the top 127.72 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-34a-calhau-do-corvo
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