The files contain the SSI reconstruction using the SATIRE model. 

The file structure is as follows:
1st array: wavelength array in [nm], listing the center of each wavelength bin. 
2nd array: wavelength bin in [nm], listing the bin width of each wavelength bin.
3rd array: time in [year] (float numbers).
4th array: SSI reconstruction in [W m-2 nm-1]. SSI is average SSI in corresponding bin. 

**Warning**
Each yearly value represents yearly average, and therefore the
year-cadence is formated as YYYY.5. Please use float number instead of
integer in order to avoid duplicate 0 year or other unexpected errors.


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Version of the model and input data for individual periods:

- Before 1610: SATIRE-M from 10Be and 14C

Vieira L.E.A, Solanki S.K., Krivova N.A., Usoskin I.,
  "Evolution of the solar irradiance during the Holocene",
  Astron. Astrophys. 531, A6 (2011). DOI: 10.1051/0004-6361/201015843
Wu C.J. et al. (2016) in preperation


- 1610-1974: SATIRE-T from sunspot observations

Krivova N.A., Vieira L.E.A, Solanki S.K.,
    "Reconstruction of solar spectral irradiance since the Maunder minimum",
    JGR 115, A14 (2010). DOI: 10.1029/2010JA015431
Wu C.J. et al. (2016) in preperation


- 1974-2015 SATIRE-S from magnetograms

Yeo K.L., Krivova N.A., Solanki S.K., Glassmeier K.H.,
  "Reconstruction of total and spectral solar irradiance from 1974 to
  2013 based on KPVT, SoHO/MDI and SDO/HMI observations",
  Astron. Astrophys. 570, A85 (2014). DOI: 10.1051/0004-6361/201423628
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We provide following code (IDL) to read the .txt file and calculate TSI:
;====================================================
;N=69235 for 14C reconstruction
;N=61595 for 10Be reconstruction
header=STRARR(12)
satire_wl=FLTARR(1070)
satire_dwl=FLTARR(1070)
time=DBLARR(N)
SSI=DBLARR(1070,N)

OPENR,1,filename
 READF,1,header
 READF,1,satire_wl
 READF,1,satire_dwl
 READF,1,time
 READF,1,SSI
CLOSE,1

TSI=dblarr(N)
FOR i=0L,N-1 DO TSI[i]=TOTAL(satire_dwl*SSI[*,i])
;=====================================================


To convert float year in daily cadence into year/month/day, we provide an example as follows:
;=====================================================
yy=FLOOR(T) ; T is any given day in float number
st=1./(JULDAY(12,31,yy)-JULDAY(1,1,yy)+1)

dd=ROUND((T-yy)/st)
CALDAT,JULDAY(1,1,yy)+dd,month,day,year
;=====================================================




2 September 2016, Chi-Ju Wu