2.0.2 spase://SMWG/Instrument/CHAMP/OVM Scalar Overhauser Magnetometer 2010-02-02T20:55:39Z The scalar Overhauser magnetometer was provided by the Laboratoire d'Electronique de Technologie et d'Instrumentation in Grenoble. It determines proton precession frequency (and hence field magnitude) once per second, and has an absolute accuracy better than 0.5 nT. spase://SMWG/Person/Hermann.Luehr PrincipalInvestigator GFZ CHAMP site site http://op.gfz-potsdam.de/champ/systems/index_SYSTEMS.html German Research Center for Geosciences of Potsdam web site for CHAMP mission, instruments, etc. Magnetometer Overhauser Magnetometer spase://SMWG/Observatory/CHAMP