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Originally Posted by mad
I am using two 4ft dish network dishes for 119 and 110. I used the LNB at different distances from the with no luck. Is the best focal point still 684 mm for this band?
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The FL is the same regardless of band. It's just that different lnbfs might fit in the mount different, and on KU band with that big of a dish, you don't have to be off very far to lose it. Shouldn't be too far off. I'd just try an inch or so closer to the dish, because I think that holder is made for a bigger
C-band feed. I guess if it worked with 4' dishes, it should be OK with the 180 CM, so I don't know what else to suggest.