内海レーダー航法参考図について(日本航海学会第21回講演会)

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書誌事項

タイトル別名
  • On the References Aids to Pilotage by Radar in Naikai
  • 内海レーダー航法参考図について
  • ナイカイ レーダー コウホウ サンコウズ ニ ツイテ

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抄録

Radar can give the navigator the information around the ship quickly and accurately in any sort of visibility. The picture on PPI scope, however, will not be so comprehensive as that obtained by the eye in clear weather. Since the radar assisted pilotage, the navigator has had the need for frequent and rapid references to the chart in order to check the identity of echoes on PPI. In this paper we introduce the process of the References aids to pilotage by radar in Naikai, which have been tried to produce from this point of view.

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