For InGARSS 2020, each Oral Session will be composed of 6 papers; a 20-minute, theme oriented introductory talk and 6 short oral presentations of 10 minutes each. In cases when the Oral Sessions for the same topic cover more than one time block, the introductory talk will be presented only at the beginning of the first block, and the additional time in the second time block will be allocated to additional presentations of 10-minute each.