ASTM-G173 › Complete Document History
Standard Tables for Reference Solar Spectral Irradiances: Direct Normal and Hemispherical on 37° Tilted Surface

Complete Current Edition:
   2023 EDITION - Standard Tables for Reference Solar Spectral Irradiances: Direct Normal and Hemispherical on 37° Tilted Surface - Aug. 15, 2023

Obsolete Revision Information:
   2003 R20 EDITION - REAPPROVED IN 2020 - July 14, 2020
   2003 R12 EDITION - Reference Solar Spectral Irradiances: Direct Normal and Hemispherical on 37 degrees Tilted Surface - Dec. 1, 2012
   2003 EDITION - Reference Solar Spectral Irradiances: Direct Normal and Hemi - Jan. 10, 2003