I'm using the GeoSat CK1 C/KU Band LNBF, bought from Sadoun, GeaoSat Pro C KU Band Prime Focus LNBF .
I did try turning the LNB a little and happy to report that I now have 13%, LOL. Not enough to lock though. Perhaps the LNB is not aligned properly, I'll check that next.
Also, my LNB...