Welcome to the Earthdata User Forum! Here, subject matter experts from several NASA Distributed Active Archive Centers (DAAC) can discuss general questions, research needs and data applications. Users can query how to access, view and interpret the data.
The inclusion of vicarious gains are only necessary if they differ from unity. While some work has been done with HICO, including a recently published paper by Ibrahim et al., (2018), we have not yet defined a set of official gains for the instrument (although we are likely to adopt the set defined in Appendix A of the Ibrahim paper).