I'm currently set up with the 1000.4 Eastern arc dish pointed at 61.5, 72.7, and 77. Connected to a DPP44 powered switch. Locked in at between 35 and 55. (Port1=72.7,Port2=61.5,Port3=77). Ive been running this now for about 6 months w/ no issues.
Now I'm trying to add dish 110 to Port4...