Antarctic Sea Ice Extent For This Day Up 1.4 million sq km from 2002

There is some claims that possibly/maybe a “sensor error” caused a small overestimation of sea ice extent in the Antarctic since 1991.

From what I understand the paper is atrocious. More importantly, this is what the sea ice extent for this day looks like:

 

Antarctic Sea Ice Extent for Day 203 From 1978 (infilled)