The HR24 is very flexible. We originally used it with a slimline dish and HD at home and with a inmotion SD dish on the rig. We also had a 18" round portable dish. All 3 dishes used both tuners. Later we changed the rig to the RF Mogul dish with SWM with HD.
Still later we upgraded the house to the HR44 and SWM dish which gave us 5 channel recording and HD in both the house and rig.
We also had both the HR44 and HR24 for one month and I was surprised when the the HR24 could view all of the HR44 recorded shows. All that was required was a $3 SWM splitter.
We rarely watch live TV but rather record what we want, time shift and skip the commercials. We also have plenty to watch if the sat is blocked by trees so haven't seen the need to carry a portable SWM dish.
For those using SD receivers and sat dishes. There are reports that DTV will drop SD in 2019. So something to consider.