2.2.0 spase://SMWG/Instrument/CANOPUS/MARI CANOPUS Magnetometer and Riometer Array (MARI) 2019-05-05T12:34:56Z The CANOPUS Magnetometer and Riometer Array (MARI) was a ground based instrument array for remote sensing the high latitude ionosphere during the ISTP/GGS program. The CANOPUS program has been superseded by the CARISMA (Canadian Array for Realtime Investigations of Magnetic Activity). spase://SMWG/Person/Gordon.Rostoker GeneralContact CANOPUS status, 1999 http://www.sp-agency.ca/www/maria.htm Magnetometer Riometer CANOPUS/MARI spase://SMWG/Observatory/Ground/CANOPUS