As an RVer and with the RV Waiver, I too received the shutoff warning and wrote letters to my senators although I expect it won't be a high priority for them with an election merely days away.
Our local marker (Raleigh/Durham) is supposed to go live on 118.7W for HD this month but I can find very little info. on that satellite from lyngsat but what little info I found indicates that satellite to be CONUS.
That might help me at least in the short term. Let's only hope our politicians can do something for the people for a change....