;+
;PROCEDURE: load_so_ern
;PURPOSE:
; loads SOHO ERN key parameter data for "tplot".
;
;INPUTS:
; none, but will call "timespan" if time_range is not already set.
;KEYWORDS:
; TIME_RANGE: 2 element vector specifying the time range
;SEE ALSO:
; "make_cdf_index","loadcdf","loadcdfstr","loadallcdf"
;
;CREATED BY: Davin Larson
;FILE: load_so_ern.pro
;LAST MODIFICATION: 99/05/27
;
;-
pro load_so_ern,time_range=trange
masterfile = 'so_k0_ern_files'
cdfnames = ['Electron','Proton','He4','Ratio_H','Ratio_He']
loadallcdf,time_range=trange,masterfile=masterfile,cdfnames=cdfnames,/tplot
end