Function: IUG_LOAD_GMAG_WDC_RELPATH function iug_load_gmag_wdc_relpath, sname = sname, $ trange = trange, $ resolution = res, $ level = level, $ addmaster = addmaster, $ _extra = _extra Purpose: create relpath string from abb code Notes: This procedure is called from load procedures for WDC format data, 'iug_load_gmag_wdc*' provided by WDC Kyoto. Written by: Daiki Yoshida, Aug 2010 Updated by: Daiki Yoshida, Sep 14, 2010