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isogonic lines
- Definição1
- Lines on chart that connects points of equal magnetic variation.
- Fonte1
- FEDERAL AVIATION ADMINISTRATION. Rotorcraft flying handbook (FAA-H-8083-21). Washington, DC: FAA, 2000. Disponível em: http://www.faa.gov/library/manuals/aircraft/media/faa-h-8083-21.pdf. Acesso em: 10 fev. 2012.
- Fonte2
- FEDERAL AVIATION ADMINISTRATION. Helicopter flying handbook (FAA-H8083-21A). Washington, DC: FAA, 2012.
- Contexto
- Isogonic lines connect points where the variation is equal, while the agonic line defines the points where the variation is zero.
- Subárea1
- Aeronautical Cartography
- Português
- linhas isogônicas