It might be worth studying an EIRP map for Galaxy 4R-C band.
Signals are stronger in the middle of the country than on the West Coast,
so a six footer may be very marginal at best on the Caribbean mux.
Bigger is better.
Yeah, I get the network feeds on G4 and other important feeds. I just can't get the Casper NBC feed. 6 ft dish pulls in the equity channels on G3 too. Yes, that's in Orange County - Laguna Niguel. The satellite I have trouble is IA 7.