This is an online, hands-on course that aims to develop an understanding of the information content of multi-parameter SAR data in an interactive way, covering SAR, PolSAR, InSAR, PolInSAR, and TomoSAR, using the BIOMASS Mission Analysis and Algorithm Platform. It is organised around 11 sessions over 11 weeks, with lectures and tutorials ranging from SAR image formation up to tomographic processing.