I went to a marine supply place and had them swedge eyes on the end of a 50 ft stainless rigging wire. Much cheaper than the Home Depot item above. Then I use a couple padlocks... one on the dish and one around a tree, the motorhome or whatever is available.
Joe
2013 Dutch Star 4338- all electric
Toad is 2015 F-150 with bikes,kayaks and Harley aboard