PROCEDURE: IUG_CRIB_GMAG_WDC A sample crib sheet that explains how to use the "iug_cirb_gmag_wdc" procedure. You can run this crib sheet by copying & pasting each command below (except for stop and end) into the IDL command line. Or alternatively compile and run using the command: .run iug_crib_gmag_wdc Written by: Y. KOYAMA, Aug 9,2011 Last Updated: Y. KOYAMA, Oct 6,2011