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c band waveguide polarizer
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<blockquote data-quote="moonbase" data-source="post: 1117278" data-attributes="member: 178786"><p>Spiff,</p><p></p><p>If you use an AV-COMM polo pipe as an alternative to a dielectric plate all you need to do is to shove the LNBF in the end of the polo pipe and orientate the twin probes of the LNBF as illustrated in a couple of pictures below. Clamp the polo pipe in your feed holder at the correct distance from the dish face, fix the scalar onto the pipe and job done, get scanning, both polarities should be receivable.</p><p></p><p>I have attached two pairs of pictures below that illustrate the principle, one pair for a Zinwwell twin probe LNBF, the other pair for a Titanium twin probe LNBF.</p><p>The LNBF is held in its correct orientation by a small grub screw in the polo pipe.</p><p></p><p></p><p>Zinwell Twin Probe LNBF</p><p>[ATTACH]138194[/ATTACH] [ATTACH]138195[/ATTACH] </p><p></p><p></p><p>Titanium Twin Probe LNBF</p><p>[ATTACH]138196[/ATTACH] [ATTACH]138197[/ATTACH] </p><p></p><p></p><p>As you can see from the internal pictures, the LNBF twin probes are orientated so that they are bisected by an imaginary line between the internal steps on opposite sides of the polo pipe.</p><p>This setup should improve your signal levels compared to a dielectric plate setup.</p></blockquote><p></p>
[QUOTE="moonbase, post: 1117278, member: 178786"] Spiff, If you use an AV-COMM polo pipe as an alternative to a dielectric plate all you need to do is to shove the LNBF in the end of the polo pipe and orientate the twin probes of the LNBF as illustrated in a couple of pictures below. Clamp the polo pipe in your feed holder at the correct distance from the dish face, fix the scalar onto the pipe and job done, get scanning, both polarities should be receivable. I have attached two pairs of pictures below that illustrate the principle, one pair for a Zinwwell twin probe LNBF, the other pair for a Titanium twin probe LNBF. The LNBF is held in its correct orientation by a small grub screw in the polo pipe. Zinwell Twin Probe LNBF [ATTACH]138194[/ATTACH] [ATTACH]138195[/ATTACH] Titanium Twin Probe LNBF [ATTACH]138196[/ATTACH] [ATTACH]138197[/ATTACH] As you can see from the internal pictures, the LNBF twin probes are orientated so that they are bisected by an imaginary line between the internal steps on opposite sides of the polo pipe. This setup should improve your signal levels compared to a dielectric plate setup. [/QUOTE]
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c band waveguide polarizer
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