Processed ship-based Navigation Data acquired during the Vema expedition V1709 (1961)

This data set was acquired with a ship-based Navigation system during Vema expedition V1709 conducted in 1961 (Chief Scientist: Dr. Walter Pitman). These data files are of Text File (ASCII) format and include Navigation data and were processed after data collection.本数据集由船载导航系统采集自1961年开展的韦玛（Vema）科考航次V1709，该航次首席科学家为Walter Pitman博士。本次数据文件采用文本文件（ASCII）格式，包含导航数据，且已于数据采集完成后完成预处理。