ADSB error - frequently happens showing Spanish planes over Cali instead of Spain.
That's about par for it. They show up in groups and usually disappear after a couple of minutes as the system updates.
I think they might've bought their gear from some dodgy street corner dealer, kek.
Welcome aboard.
More eyes we have the better.
If you haven't already check out Planefagging 101 - link up at the top of the bread in the useful stuff section.
Many questions like the Spanish planes are answered there.
Lots of other useful links etc too.