I have a 622 tied to dish 1000 and a 508 tied to a dish 500. Reason is, the dish 1000 looses sat 129 easily when there's a cloud over China. I would like to feed the 622 and 508 with the 500 dish since it looks only at 110,119. Then also feed the 622 with the 1000 dish but re-aim it for better...