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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Norsat LNB Whats Wrong ? pics
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<blockquote data-quote="canofan" data-source="post: 500782" data-attributes="member: 259756"><p>Ok about the OMT</p><p></p><p>The Junction block for the dual polarity RX only waveguide is the same for 611-6062-10 and 611-6062-07.</p><p></p><p>The VSWR is unchanged in the two channels.</p><p></p><p>I repeat what I said earlier:</p><p>The dual flange acts as a filter. It impedes the horizontals in the vertical channel and the same to the verticals in the horizontal channel. As what is impeded does not go through, it remains available for the other channel (filter theory). So practically there would be no loss and the reception gain will remain virtually the same. The VSWR is the same for both channels when used in the same band. If one channel is used for the higher band 12.2 to 12.75 ghz the VSWR will go up slightly because the flange is optimised for the 11.7 to 12.2 ghz.</p></blockquote><p></p>
[QUOTE="canofan, post: 500782, member: 259756"] Ok about the OMT The Junction block for the dual polarity RX only waveguide is the same for 611-6062-10 and 611-6062-07. The VSWR is unchanged in the two channels. I repeat what I said earlier: The dual flange acts as a filter. It impedes the horizontals in the vertical channel and the same to the verticals in the horizontal channel. As what is impeded does not go through, it remains available for the other channel (filter theory). So practically there would be no loss and the reception gain will remain virtually the same. The VSWR is the same for both channels when used in the same band. If one channel is used for the higher band 12.2 to 12.75 ghz the VSWR will go up slightly because the flange is optimised for the 11.7 to 12.2 ghz. [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Norsat LNB Whats Wrong ? pics
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