GPS衛星でエラーが発生、複数企業で12時間ものシステムエラー発生の原因に - GIGAZINE
http://gigazine.net/news/20160210-gps-error/
GPS error caused '12 hours of problems' for companies - BBC News
http://www.bbc.com/news/technology-35491962
http://gigazine.net/news/20160210-gps-error/
GPS error caused '12 hours of problems' for companies - BBC News
http://www.bbc.com/news/technology-35491962