PROCEDURE: load_wi_swe PURPOSE: loads WIND Solar Wind Experiment key parameter data for "tplot". INPUTS: none, but will call "timespan" if time range is not already set. KEYWORDS: DATA: Raw data can be returned through this named variable. TIME_RANGE: 2 element vector specifying the time range. MASTERFILE: (string) full file name to the master file. POLAR: If set, calculate and store velocity in polar coordinates. SEE ALSO: "make_cdf_index","loadcdf","loadcdfstr","loadallcdf" CREATED BY: Davin Larson FILE: load_wi_swe.pro LAST MODIFICATION: 02/12/03