AFAIR, you had a full featured card. If that is correct than it is
quite possible to have packet losses, because auf the limitations of
the DEBI port that connects the card to the PC and the low speed of
ARM CPU on the card. For high speed data connections it is usually
better to use a budget card.
Yes, I am using a Nexus DVB-s. But I have the same problem using a nova
card. Your brother Ralph was at Eutelsat Paris France last year to help
me out on that. I needed to setup the cards and all, and I didn't know
about satellite and linux. That's why we asked him to come. He has just
setup the card to make it work. We didn't test packet loss with the
open-sky application. But at this time of the year, I was testing with a
Nova card, and I had exactly the same problem (with 0.9.4 drivers).