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#1
07-20-2009, 12:13 AM
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Ku Band LNBF Modification
What do you think about this? YouTube - Ku Band LNBF Modification
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(Pansat-3500, 9200HD, 250sm); Dreambox500; Fortec Dynamic; CW-700, CW-Ultima; PCI-DVB-1027, cnx nano2; 1 Fortec star 1.2 meter dish; 2 motorized WS9036; 2 WS763; SG2100, SG 6000; 10' UNIMESH, 6' solid; DMX241; DMX242; BSC-621; dmx-741u; SNH031; QPH031; Chaparral Quad. 
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#2
07-22-2009, 09:12 PM
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Very well done video I have a couple invacom lnbs so may need to do this in the future.
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Rainman's Equipment Undien 4600,DSR 922 Fortec Ultra, Satworks 3618 2 Fortec Mercury II Fortec Classic NA 8.5' Orbitron polar C Ku dish 8.5' Birdview HH C Ku dish 100cm Fortec dish 90cm Fortec dish 2 DG-240 HH motors Co Rotor II feed horn Norsat 8515 C band lnb Norsat 4506A Ku lnb BSC-621-2 Lnbf Invacom QPH-031 Lnbf Invacom SNH-031 Lnbf Fortec Fsku-v universal Lnbf V-Box
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#3
07-22-2009, 10:15 PM
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Yea, I saw this. He's replacing an old lens cover. (I'm sure there is a more technical name for it). When LNBF's get old the "lens" gets cloudy and affects gain. Some of my LNBF's with white "lens covers" got chalky. This was due to the intense sunlight out here. I scraped of the surface to make it smooth and made sure it was done evenly. It seemed to help.
This make me wonder if it would be worthwhile to take one off and retrofit it with a clear cover (like on the Invacom) & seal it. I might give this a try on an old Samsung one I have.
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Dreambox 7020 FortecStar Lifetime Ultra FortecStar Lifetime 8 Dishes (C/Ku bands) Ku LNBF's: Invacoms,Fortec, Samsung, Primestar C band LNBF's: Precision, DMS Switch EMI Centuri S.168 Motors: retired (none used)
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