I have no idea what it was. It looks like he was on granny's iPad. I think one of the reasons he likes coming here is so he gets fewer nags!
"What happens at granny's house stays at granny's house".
Simple QRP projects, 10m, 8m, 6m, 4m, FT8, 160m, WSPR, LF/MF, sub-9kHz, nanowaves and other random stuff, some not related to amateur radio.
I have to confess I have no idea where these are and the callsign does not help. In a short while I shall look them up. This is a QSL card....