PROCEDURE: thm_make_esa_mag PURPOSE: Make a tplot structure out of ESA magnetometer data INPUT: KEYWORDS: probe: strarr themis spacecraft - "a", "b", "c", "d", "e" if not set defaults to all sc: strarr themis spacecraft - "a", "b", "c", "d", "e" if not set defaults to all themishome: string path to data dir, where data dir contains the th* dir, where *=a,b,c,d,e CREATED BY: J. McFadden 08/12/07 VERSION: 1 LAST MODIFICATION: 08/12/07 MOD HISTORY: NOTES: