pro load_ace_sis,data=data,time_range=time_range,masterfile=masterfile
vdataname = 'SIS_data_256s'
tplot_prefix = 'ace_sis_'
if not keyword_set(indexfile) then indexfile='ace_sis_files'
hdfnames=['ACEepoch','flux_He','flux_C','flux_N','flux_O','flux_Ne','flux_Mg',$
'flux_Si','flux_S','flux_Fe','up_time_fraction','solar_activity_flag']
loadallhdf,time_range=time_range,vdataname=vdataname,data=data,$
indexfile=indexfile,masterfile=masterfile,hdfnames=hdfnames
timearray = data.ACEepoch + time_double('96-1-1')
str_element,data,'time',timearray,/add
store_data,'ace_sis',data=data
return
end