Update September 23, 2022: He has been recently reported in FT8 on the bands.
Update May 15, 2022: Arthur has found a location for his equipment and he still has to find a place to install his inverted V". [TNX Les Nouvelles DX]
Arthur, FT4XW, is working on the Kerguelen Islands for a scientific mission which will last between October 2021 and December 2022. He will try to be QRV from there with a XIEGU G90 and a DX Commander SOTA / POTA vertical antenna.
No more information available so far.