An NTSC Atari 800, a UAV video board, PAL TVs and me

Seems one can use an NTSC Atari 800 in a PAL world after all. Of course it could be just luck but I'll take it...
https://www.classic-computers.org.nz/bl ... ng-UAV.htm
https://www.classic-computers.org.nz/bl ... ng-UAV.htm