The URSI board and GASS 2021 committees have decided to offer the extended possibility of submitting to the GASS 2021 (which will be organized as a hybrid event) within the next
12 days, given the difficult and widely differing crisis contexts worldwide.

We understand the complicated situation of many laboratories, teams, and researchers and wish to do our best to encourage them to co-construct with us a vivid and enriching event, profitable for all, seven months from now.