 The soil moisture and ocean salinity, SMOS, mission is designed to measure soil moisture and ocean salinity using brightness temperatures measured at L band. The SMOS-IC product is a simplified version of the SMOS level 3 product, which uses fewer assumptions about the surface and does not require auxiliary data. This makes it more accurate than the SMOS level 3 product, which requires additional information to correct for surface effects. The SMOS-IC product has been shown to have higher correlation and lower uncertainty compared to the SMOS level 3 product. This article was authored by Roberto Fernandez Moran, Amen El Yari, Arno Milan, and others.