Re: A half complete network of Iridium satellites...
"I think the problem with the feed dropping out on landing is because of the massive vibrations from the engine(s). "
Pretty much this.
About the only feasible way of handling it would be to play out about a half mile of floating fibre to another boat with the uplink on that - and then go through the hassle of gyrostabilising that platform.
Then again his muskiness might well do that.