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agonic line
Definição1
A line along which there is no magnetic variation.
Fonte1
FEDERAL AVIATION ADMINISTRATION. Rotorcraft flying handbook (FAA-H-8083-21). Washington, DC: FAA, 2000. Disponível em: . Acesso em: 10 fev. 2012.
Subárea1
Aeronautical Cartography
Português
linha agônica
Imagem

Isogonic lines for the year 2000. The agonic lines are thicker and labeled with

Isogonic lines for the year 2000. The agonic lines are thicker and labeled with "0".

Fonte: http://commons.wikimedia.org/wiki/File:IGRF_2000_magnetic_declination.gif