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DISH SETUP: Single sat, Multi-Sat & Motorised
KA Band section
The DirecTV SL3K4NR1-03
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<blockquote data-quote="Vipersan" data-source="post: 899586" data-attributes="member: 325666"><p>Hi Llew ...</p><p>I haven't found it neccessary if the entire lower chamber below it is opened up ...</p><p>ie that partition directly below it in the casting that screws through the pcb and covers the electronics ...</p><p>if this partition is left in place then the horizontal planes of the pcb which you are referring to (connected to ground ) effectivelyalso ground this partition thus dividing the square resonance chamber into two rectangular sections pertaining to the two probes ..</p><p>Hope that makes sense ??</p><p>My pcb is still intact but signals reaching the chamber under the pcb around the Hemts are free to circulate..</p><p>I do hope this mod is beneficial for you ...</p><p>I gained about 1 to 1.5db ...but certainly it didn't reduce the db levels.</p><p>Removing the Septum is what memoves the Horizontal signals ...removing the partition allows 100% of the captured signal reaching the bottom of the lnbs chamber to circulate freely below the pcb.</p><p>The mod still works with just the septum removed ..but still to some extent divides the signal between the 2 probes.</p><p></p><p>rgds</p><p>VS</p></blockquote><p></p>
[QUOTE="Vipersan, post: 899586, member: 325666"] Hi Llew ... I haven't found it neccessary if the entire lower chamber below it is opened up ... ie that partition directly below it in the casting that screws through the pcb and covers the electronics ... if this partition is left in place then the horizontal planes of the pcb which you are referring to (connected to ground ) effectivelyalso ground this partition thus dividing the square resonance chamber into two rectangular sections pertaining to the two probes .. Hope that makes sense ?? My pcb is still intact but signals reaching the chamber under the pcb around the Hemts are free to circulate.. I do hope this mod is beneficial for you ... I gained about 1 to 1.5db ...but certainly it didn't reduce the db levels. Removing the Septum is what memoves the Horizontal signals ...removing the partition allows 100% of the captured signal reaching the bottom of the lnbs chamber to circulate freely below the pcb. The mod still works with just the septum removed ..but still to some extent divides the signal between the 2 probes. rgds VS [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
KA Band section
The DirecTV SL3K4NR1-03
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