Any time you connect another switch to a DP or DPP switch it will only take one satellite signal per input. Normally, one line from a DP or DPP LNB contains both satellite feeds because there's a built in switch. A 21 switch into a 44 switch would show up as whatever went into SAT input 1 on...

I typically check transponder 11 on both 110 and 119. (Dish 500 only) I like to get 100 or better, but I'll take a 90 if I'm in a hurry. It's not all in pointing the dish, either. Every lead to the LNB will give a different signal strength. The distance of the cable run, number of...