These housemartins were nesting in the roof of the entrance. Most visitors were probably unaware being focused on the chapel ahead.
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.
These were very popular QRP CW transceivers some years ago. I owned a built one and had lots of fun with it. As I recall, I mostly used it o...