2.4.0 spase://SMWG/Observatory/Ground/McMAC Mid-continent Magnetoseismic Chain, McMAC, Observatory Chain 2022-02-20T12:34:56.789 2022-02-20T12:34:56.789 McMAC Observatories: Delete obsolete www-spc.igpp.ucla.edu Information URL, Add Operating Span if missing. Metadata submitted by J.M. Weygand on 2022-01-28, reviewed by LFB Mid-continent Magnetoseismic Chain, McMAC, is a National Science Foundation, NSF, project that conducts research in magnetospheric sounding using ground magnetic field observations from nine magnetometers. Please acknowledge Peter Chi for use of the McMAC data and NSF for support through grant ATM-0245139. spase://SMWG/Person/Peter.J.Chi PrincipalInvestigator spase://SMWG/Person/James.M.Weygand MetadataContact spase://SMWG/Person/Lee.Frost.Bargatze MetadataContact THEMIS Ground Magnetometer, GMAG, SSL, UCB website http://themis.ssl.berkeley.edu/gmag/gmag_list.php McMAC station data availability at the THEMIS GMAG website hosted by the Space Sciences Laboratory, SSL, University of California, Berkeley, UCB spase://SMWG/Observatory/McMAC Earth.Surface 2004-08-08T00:00:00 2018-08-04T23:59:59 End date and time varies with each ground magnetometer station