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Satellite Systems and Accessories - (no Trade)
C Band Extended LNB's (4.5 GHz - 4.8 GHz)
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<blockquote data-quote="moonbase" data-source="post: 1063852" data-attributes="member: 178786"><p>Update 3:</p><p></p><p>The previous tests that I carried out with the C Band Extended LNB's have been confined to LHCP on 40.5W as that is the polarity of the signals in the extended range. However, to further test the scope of the LNB's I ran a signal test for RHCP even though there would be no extended range frequencies detected.</p><p></p><p>The test revealed that the LNB's can detect signals as low as 3920 MHz which is quite a way beyond the stated specification of 4500 Mhz to 4800 MHz.</p><p>With a larger dish the frequency range may possibly be wider as there seems to be some drop in signal level at the extreme lower end of the range.</p><p></p><p>Equipment:</p><p>Precision 2.0m prime focus dish</p><p>AV-COMM polo pipe</p><p>Chinese C Band Extended LNB attached to WR229 flange feed inserted into the polo pipe</p><p>TBS 5925 USB device</p><p>EBS Pro</p><p></p><p>I have attached a picture of the RHCP scan result below.</p><p></p><p></p><p>[ATTACH=full]121297[/ATTACH]</p></blockquote><p></p>
[QUOTE="moonbase, post: 1063852, member: 178786"] Update 3: The previous tests that I carried out with the C Band Extended LNB's have been confined to LHCP on 40.5W as that is the polarity of the signals in the extended range. However, to further test the scope of the LNB's I ran a signal test for RHCP even though there would be no extended range frequencies detected. The test revealed that the LNB's can detect signals as low as 3920 MHz which is quite a way beyond the stated specification of 4500 Mhz to 4800 MHz. With a larger dish the frequency range may possibly be wider as there seems to be some drop in signal level at the extreme lower end of the range. Equipment: Precision 2.0m prime focus dish AV-COMM polo pipe Chinese C Band Extended LNB attached to WR229 flange feed inserted into the polo pipe TBS 5925 USB device EBS Pro I have attached a picture of the RHCP scan result below. [ATTACH=full]121297[/ATTACH] [/QUOTE]
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C Band Extended LNB's (4.5 GHz - 4.8 GHz)
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