Usable Limitation of Magnetic Compass near South Magnetic Pole

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  • 南磁極付近における磁気コンパスの使用限界について(日本航海学会第32回講演会)
  • 南磁極付近における磁気コンパスの使用限界について
  • ミナミジキョク フキン ニ オケル ジキ コンパス ノ シヨウ ゲンカイ ニ ツイテ

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Abstract

It is well-known that the horizontal force of earth's magnetism deduces gradually near south magnetic pole, where it is difficult to keep the ship's course by the magnetic compass. As our Umitaka Maru had a chance of cruising near magnetic pole (Oct. 1964-Mar. 1965), we could observe the limits capable of using magnetic compasses. This report describes the limitation of use magnetic compasses with regard to the distance from magnetic pole.

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