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Satellite Systems - What to Buy - What to install
Still no Nova w/ Humax 5400.. Can u help?
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<blockquote data-quote="red" data-source="post: 53614" data-attributes="member: 181578"><p>Well, not really... i wasn't aware that there's a method for that.</p><p></p><p>But really, at this point i'd be making progress just by getting the Nova to tune at all, though it looks like that will be a simple case of slap in a universal LNB....</p><p></p><p>I'm guessing that you don't know of an LNB that span the range i need?</p><p></p><p>I've done a little thinking and a little simple math, and i think it might work to use two LNB..... </p><p></p><p>like this:</p><p></p><p>I'm interested only in Nova, on 10930, 11823 and 12169 (all H)</p><p></p><p>I use my current LNB (LO10750) and a universal without the tone (LO 9750)</p><p></p><p>The universal will be able to "see" 10930, and will retransmit on (10930 - 9750) = 1180</p><p></p><p>The single band will be able to see 11823, retransmit on (11823 - 10750) = 1083,</p><p>as well as 12169, with a retransmit freq of (12169 -10750) = 1419</p><p></p><p>All of these retransmit freqs are handily within range for my FO transciever pair.</p><p></p><p>the question is, will the LNB not like being connected together in Y fashion on the same cable? I will supply both with 18V, with plenty of amps (2500mA available) to hold them in horizontal polarisation </p><p></p><p>What happens on those freqs that DO collide? (by collide, i mean where the retransmit for the LNBs is the same...)</p><p></p><p>oh, wait.. i think i may have answered my own question.. while my freqs don't collide with each other, i have no idea if they collide with anything else.. and it seems likely that they will....</p><p></p><p>more math!</p><p></p><p>UPDATE:::</p><p></p><p>OK, using this page as a reference as to what freqs are transmitted by Hotbird <a href="http://www.satmania.com/eng/satchannels/13_0e" target="_blank">http://www.satmania.com/eng/satchannels/13_0e</a></p><p></p><p>I have determined that my three worrisome collision freqs are (1180 + 10750) = 11930, (1083 + 9750) = 10823 and (1419 + 9750) = 11169</p><p></p><p>Luckily, none of those three potential collision freqs are being transmitted on Hotbird. Here's how close the others are getting to "my" freqs (->)</p><p></p><p></p><p>11179</p><p>-> 11930</p><p>11200</p><p></p><p>10815</p><p>-> 10823</p><p>10834</p><p></p><p>11161</p><p>-> 11169</p><p>11179</p><p></p><p>So, now it comes to mind that maybe these are too close, and will interfere?</p><p></p><p>I just don't know, and i suppose it will have to be tried out be experimentation.</p></blockquote><p></p>
[QUOTE="red, post: 53614, member: 181578"] Well, not really... i wasn't aware that there's a method for that. But really, at this point i'd be making progress just by getting the Nova to tune at all, though it looks like that will be a simple case of slap in a universal LNB.... I'm guessing that you don't know of an LNB that span the range i need? I've done a little thinking and a little simple math, and i think it might work to use two LNB..... like this: I'm interested only in Nova, on 10930, 11823 and 12169 (all H) I use my current LNB (LO10750) and a universal without the tone (LO 9750) The universal will be able to "see" 10930, and will retransmit on (10930 - 9750) = 1180 The single band will be able to see 11823, retransmit on (11823 - 10750) = 1083, as well as 12169, with a retransmit freq of (12169 -10750) = 1419 All of these retransmit freqs are handily within range for my FO transciever pair. the question is, will the LNB not like being connected together in Y fashion on the same cable? I will supply both with 18V, with plenty of amps (2500mA available) to hold them in horizontal polarisation What happens on those freqs that DO collide? (by collide, i mean where the retransmit for the LNBs is the same...) oh, wait.. i think i may have answered my own question.. while my freqs don't collide with each other, i have no idea if they collide with anything else.. and it seems likely that they will.... more math! UPDATE::: OK, using this page as a reference as to what freqs are transmitted by Hotbird [url]http://www.satmania.com/eng/satchannels/13_0e[/url] I have determined that my three worrisome collision freqs are (1180 + 10750) = 11930, (1083 + 9750) = 10823 and (1419 + 9750) = 11169 Luckily, none of those three potential collision freqs are being transmitted on Hotbird. Here's how close the others are getting to "my" freqs (->) 11179 -> 11930 11200 10815 -> 10823 10834 11161 -> 11169 11179 So, now it comes to mind that maybe these are too close, and will interfere? I just don't know, and i suppose it will have to be tried out be experimentation. [/QUOTE]
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Satellite Systems - What to Buy - What to install
Still no Nova w/ Humax 5400.. Can u help?
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