the first thing to make sure is that you have a digital TV or a digital converter if not. assuming you have that, since it worked in another RV. there should be a Antenna booster located in the RV somewhere, usually in the bedroom.
Most airlines in the United States, including American, Delta and United, allow carry-on bags that are no more than 22 inches long, 14 inches wide and nine inches high. Southwest and JetBlue accept a more generous 24 inches by 16 inches by 10 inches, and JetBlue even adds a couple more inches for cabin bags flying on its Airbus A320 planes.
7) Everything you eventually take with you must fit in one, wheel-less*, carry on bag measuring no more than standard carry-on dimensions: 22â³ x 14â³ x 9â³/56cm x 35cm x 22cm. (This will vary depending on the airline you are flying.) The use of a second, smaller, personal item is optional.