Overnight, I may give 160m FT8 a go with my earth-electrode "antenna" in the ground. This assumes the match is acceptable.
For a first try I shall probably use 2.5W. It is unlikely I shall be on until it gets dark. I don't think I have tried 160m FT8.
UPDATE 1656z: The match is good and I am on 160m with 2.5W FT8. No spots on RX or TX.
UPDATE 1831z: One UK spot of me by 2E0INH (60km).
UPDATE 1900z: 3 UK spots of me so far this evening. Still very much light. Furthermost is G4BRK (133km). This is quite reasonable with 2.5W FT8.
UPDATE 2039z: 6 spots of me (see map).