VDI 3789 Blatt 3:2001-10

Preliminary note
1 Symbols and abbreviations
2 Introduction
3 Spectral irradiances without limitation
  of the horizon
4 Spectral irradiances with limitation of the
  horizon
5 Accuracy
Bibliography
Annex A - Spectral distribution of the extraterrestrial
          solar radiation for mean earth-sun
          distance, spectral absorption coefficients
          of ozone, water vapour and
          the uniformly mixed gases in the
          atmosphere, and the spectral scaling
          function for global radiation for an
          overcast sky
Annex B - Calculation of the relative optical
          masses of the atmosphere and pressure
          correction
Annex C - Determination of the Angstrom turbidity
          coefficient and wavelength exponent
Annex D - Linke turbidity factor
Annex E - Mean distribution of the ozone content
          of the atmosphere
Annex F - Calculation of the water vapour content
          of the atmosphere
Annex G - Conversion of legal time into true local
          time and vice versa
Annex H - Calculation of the solar elevation angle
          and azimuth
Annex I - Spectral reflectance of certain surfaces
Annex J - Determination of the limitation and
          extension of the horizon
Annex K - Details of the calculation of spectral
          diffuse solar radiation
Annex L - Calculating procedure
Annex M - Comparison of the results with the
          values calculated with the Justus and
          Paris model