Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 北條 晴正,3.ディファレンシャル方式GPSの誤差補正信号放送サービス,JOURNAL OF THE MARINE ENGINEERING SOCIETY IN JAPAN,03883051,The Japan Institute of Marine Engineering,1997,32,9,705-713,https://cir.nii.ac.jp/crid/1390001205161020544,https://doi.org/10.5988/jime1966.32.705