If you have more than 1 TV in your RV, consider a Hopper/Joey system. You'll get a whole house (or RV) DVR. This system allows you to watch recorded programs on any TV.
We take one of our 722's (HD Dual receiver) from our house and mount it in the motor home whenever we hit the road. We have the Trav'ler Dish 1000 (triple LNB) mounted to the roof and it will automatically raise up, track, and lock onto the satellite at a push of a button. When we get out of range of our home area (Los Angeles) we just call Dish and tell them where we are currently, and they change our home channels to the closest city.
Ron
Ron & Sandie
'08 Safari Simba SBD35 CAT C7
Toad: 2011 GMC Terrain SLT2
Tow Bar: Sterling AT
Toad Brakes: Unified U.S. Gear
TPMS: Pressure Pro
Member of: GS, FMCA, Safari Intl, CAT
We are full timers, so we went with a Dish Traveler antenna, a vip722k HD DVR. You can do anything you need to, watch tv, record on DVR, at the same time. Just like at home. The 722 is a HD dual receiver for 2 tvs. There is a $6. or $7.monthly fee plus what ever plan you choose. We have had 2 yrs in the RV + 6 yrs in our home. I own all the equipment, but you can get setup by dish. Even use a stationary dish (tripod mounted, not included) supplied by dish. All works good. I hope this info helps.