2.2.9 spase://SMWG/Observatory/Ground/BCMT BCMT French National Magnetic Observatory Bureau Central De Magnetisme Terrestre France 2018-09-06T12:30:00Z Our mission is to provide ground-based geomagnetic observations and data products of the highest quality. The BCMT operates the French National Magnetic Observatory, located in Chambon-la-Forêt (Loiret, France), a network of 18 overseas observatories and a network of 11 repeat stations in metropolitan France. You will find on this site all the data collected (raw magnetic measurements as well as various data products derived from these measurements). Bureau Central de Magnetisme Terrestre spase://SMWG/Person/Marc.Chaussidon TeamLeader Bureau Central De Magnetisme Terrestre France Homepage http://www.bcmt.fr/index.html Information about the BCMT. spase://SMWG/Observatory/BCMT Earth.Surface 1921-01-01T12:00:00Z Exact start date is unknown.