At about 2000z this evening, I shall try 630m WSPR for probably the last time until the autumn.
I am unsure what nighttime challenge I shall try instead.
My tests with 10mW ERP 630m WSPR using the earth-electrode "antenna" in the ground have been fun. The beauty is that neither my XYL nor the neighbours have any idea it is there!
From my WSPR tests, I suspect it is only about 2 S-points down on a monster antenna and ground.