You can do the exact same thing if what you have is a tripod mounted SWM antenna. You will need to run one coax cable to each receiver. One can be connected to the trailer port that says Satellite and you will find the other end of that cable somewhere near the main TV either a loose cable or a wall plate with a satellite label. The other coax will need to run directly to the location of the 2nd receiver and this might mean running it through a window or maybe you can get creative access through and outside compartment.
You will install a SWM specific splitter at the antenna so you can run 2 separate cables in different directions and then connect the Power Inserter inside to the coach ahead of the receiver that is connected to the one special port on that splitter marked with a red dot.
Once everything is properly connected you can point the tripod antenna (or use the house antenna as suggested) and watch yourself some dang TV!