内海レーダ航法図(日本航海学会第34回講演会)

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書誌事項

タイトル別名
  • Radar Pilot Chart in Naikai
  • 内海レーダ航法図
  • ナイカイ レーダ コウホウズ

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説明

The images of PPI radar echoes are different from the coastlines on the chart because the radar beam cannot arrive at the regions behind the hills or islands. In Naikai, many islands, hills and mountains are distributed near the recommended route and there are many narrow channels having strong tidal currents. If we meet the dens fog in such a channel, we must navigate by the informations of radar and lead our ship to the safety region. Therefor the navigator must determine the position by obsrving the radar scope at once. So we must have full knowledge about the characteristics of radar echoes in Naikai. We provided the radar pilot charts in Naikai along the recommended route, giving the important characteristics of radar echoes. Several of them are shown in this paper. It is said that if you train yourself by these radar pilot charts, you will easily be able to identify the echoes corresponding to any one point on the charts.

収録刊行物

  • 日本航海学会誌

    日本航海学会誌 35 (0), 141-145, 1966

    公益社団法人 日本航海学会

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