Commander Kinsey wrote:

Owain wrote:

The Sky Q LNB itself has two outputs which are not the same. One is a
horizontal output and the other a vertical output.

Ah that makes sense, I guess they lose their polarization inside the cable.

No you need to ensure the F-connector is properly aligned on the STB, if
you can't get all the Sky channels try tightening it by 90° then use
some loctite to make sure it doesn't move.