The conversion from normalized radiance (calculated by OSOAA) to reflectance is done by dividing the normalized radiance by cos(SZA) with SZA is the Solar Zenith Angle.
In your routine, it seems the division is done by the cosine of the viewing angle.
Thanks.@blafranc
The conversion from normalized radiance (calculated by OSOAA) to reflectance is done by dividing the normalized radiance by cos(SZA) with SZA is the Solar Zenith Angle. In your routine, it seems the division is done by the cosine of the viewing angle. Thanks.@blafranc