Shapefile of Processed ship-based Navigation Data acquired during the Vema expedition V1802 (1961)

This data set was acquired with a ship-based Navigation system during Vema expedition V1802 conducted in 1961 (Chief Scientist: Dr. John Ewing). These data files are of Shapefile format and include Navigation data and were processed after data collection.本数据集通过船载导航系统（ship-based Navigation system）采集所得，采集工作开展于1961年执行的Vema科考航次V1802期间，本次航次的首席科学家为John Ewing博士。该数据集的文件采用Shapefile格式，包含导航数据，且已于数据采集完成后进行了处理。