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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
13 degrees, 19.2 degrees and 23.5 degrees
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<blockquote data-quote="a33" data-source="post: 1010192" data-attributes="member: 332642"><p>The multifeedrail should have a skew of about 13.28 degrees in Southampton, see <a href="http://satlex.de/de/wavefrontier_calc-params.html?satlo_east=&user_satlo_east=28.35&user_satlo_east_dir=E&satlo_west=13.0&user_satlo_west=&user_satlo_west_dir=E&location=50.90%2C-1.38&la=50.90&lo=-1.38&country_code=uk" target="_blank">SatLex Digital :: Technik :: Rechner :: WF Toroidal Rechner</a></p><p>(lnb for 13E lowest, LNB for 23E highest).</p><p>I would place 19E at the center, above the arm: was that your plan also?</p><p></p><p>The space for an extra LNB: 13-19E is 7.54 degree azimuth difference, 19-23E is 5.04 degree azimuth difference. So you can check if you have room for another ALPS LNB, calculating distances with reference to your actual spacing of 13-19E.</p><p></p><p>BTW You could use a monoblock LNB for 19-23E, if you want.</p><p>4.3 Degree monoblocks for 80cm dishes are not uncommon, I believe. (Though I'm not sure how they would 'fit' in several parts of the UK, as they are probably made for central Europe?)</p><p>Even diseqc 1.0 switches can be cascaded; most important issue is if your receiver gives repeated diseqc commands. You could use a 2/1 'option' diseqc 1.0 switch; a 4/1 switch if your monoblock has two outputs available; or a trick with a splitter combined with a 4/1 switch (or a small modification of the 4/1 switch) to combine one output of a monoblock with one or two other LNBs.</p><p>If your receiver supports diseqc 1.1, a 1.1-switch can also be used in combination with a monoblock.</p><p></p><p>Greetz,</p><p>A33</p></blockquote><p></p>
[QUOTE="a33, post: 1010192, member: 332642"] The multifeedrail should have a skew of about 13.28 degrees in Southampton, see [URL="http://satlex.de/de/wavefrontier_calc-params.html?satlo_east=&user_satlo_east=28.35&user_satlo_east_dir=E&satlo_west=13.0&user_satlo_west=&user_satlo_west_dir=E&location=50.90%2C-1.38&la=50.90&lo=-1.38&country_code=uk"]SatLex Digital :: Technik :: Rechner :: WF Toroidal Rechner[/URL] (lnb for 13E lowest, LNB for 23E highest). I would place 19E at the center, above the arm: was that your plan also? The space for an extra LNB: 13-19E is 7.54 degree azimuth difference, 19-23E is 5.04 degree azimuth difference. So you can check if you have room for another ALPS LNB, calculating distances with reference to your actual spacing of 13-19E. BTW You could use a monoblock LNB for 19-23E, if you want. 4.3 Degree monoblocks for 80cm dishes are not uncommon, I believe. (Though I'm not sure how they would 'fit' in several parts of the UK, as they are probably made for central Europe?) Even diseqc 1.0 switches can be cascaded; most important issue is if your receiver gives repeated diseqc commands. You could use a 2/1 'option' diseqc 1.0 switch; a 4/1 switch if your monoblock has two outputs available; or a trick with a splitter combined with a 4/1 switch (or a small modification of the 4/1 switch) to combine one output of a monoblock with one or two other LNBs. If your receiver supports diseqc 1.1, a 1.1-switch can also be used in combination with a monoblock. Greetz, A33 [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
13 degrees, 19.2 degrees and 23.5 degrees
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