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.
We are approaching a tipping point with EVs. With the price of diesel and supply security, this may make this happen sooner.