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Thread: best ku bird for peaking skew?
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- 04-17-2011 09:50 AM #1
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best ku bird for peaking skew?
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trying to peak dmx-741u feedhorn on ku band. want to use a bird with both v and h active transponders. I can't reach feedhorn from the ground to rotate. must rotate at far right side of arc (amc-8) then move to check signal strength. Thanks, Chad
- 04-17-2011 09:50 AM # ADS
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- 04-17-2011 01:25 PM #2
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is this a motorized dish?
- 04-17-2011 01:50 PM #3
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yes 10' c-ku band
- 04-17-2011 06:20 PM #4
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That certainly explains why you'd want to adjust it at AMC 8 then now doesn't it. I'd guess I'd try tweaking using the PBS channels at AMC21. That way you're only 14 degrees away from adjusting your LNB.
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- 04-17-2011 07:40 PM #5
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that's where I started and the only channel I can't get a stable lock is montana PBS. All others seem fine. Had a lot of work to do on amc 1 to get the odd skew adjusted without loosing what I already had. I also lost RTV's on 87W C-band. and only the ones at 3800 the ones at 4043 come in just fine. Go figure. Thanks, Chad
- 04-18-2011 06:30 PM #6
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If you are using a polarotor-type feedhorn, then you can adjust each satellite's skew. With an lnbf-type feed, you'll have to settle for somewhere in between. If you are trying to peak an lnbf I wouldn't use 103 because of its weird skew, it's way off from all the other ku birds. Go for 97 or something with a lot of channels on both polarities. A lot of us use a fixed ku dish for 103 because of the unusual skew, or just 'live with' what it picks up off 103, after adjusting it for the other ku birds.
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