Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KOIKE Sadatoshi,Present Situation and Future of the Maritime Distress Communications : Cospas-Sarsat Satellite Search and Rescue System and Some Others,NAVIGATION,09199985,Japan Institute of Navigation,2005,163,0,62-66,https://cir.nii.ac.jp/crid/1390282680145064064,https://doi.org/10.18949/jinnavi.163.0_62