Phase: RAMI3Spectral albedo (Directional Hemispherical Reflectance)
brf1 for HET01_DIS_UNI_RED_20 testcase.
brf1 for HET01_DIS_UNI_RED_50 testcase.
brf1 for HET01_DIS_UNI_NIR_20 testcase.
brf1 for HET01_DIS_UNI_NIR_50 testcase.