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DISH SETUP: Single sat, Multi-Sat & Motorised
KA Band section
Dishes for Ka-band: what works - what doesn't?
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<blockquote data-quote="John" data-source="post: 1003486" data-attributes="member: 175005"><p>Please excuse the state of the laboratory in the test set-up.</p><p>Yep, they seem to leak but i would like input from more qualified persons than me.</p><p></p><p>Queries from looking at the pics:</p><p>How pure is the generated 5th harmonic output of the SSA ? .... is that reduced leakage spike really 21.200 or is it a higher harmonic of it ??.</p><p>I don't think the metal truss that's holding up the dish is aiding RF to sneak around to the lnb pickup.</p><p>I should have reversed the equipment setup, SSA source at the front etc just to establish if the same leakage is the same just to satisfy curiousity.</p><p>The dish is about 15yrs or so old.</p><p>A few pics to study, suggestions welcome.</p><p></p><p>Note: Is there a reason some of the posted pics get flipped ? ... the original posted image was horizontal.</p></blockquote><p></p>
[QUOTE="John, post: 1003486, member: 175005"] Please excuse the state of the laboratory in the test set-up. Yep, they seem to leak but i would like input from more qualified persons than me. Queries from looking at the pics: How pure is the generated 5th harmonic output of the SSA ? .... is that reduced leakage spike really 21.200 or is it a higher harmonic of it ??. I don't think the metal truss that's holding up the dish is aiding RF to sneak around to the lnb pickup. I should have reversed the equipment setup, SSA source at the front etc just to establish if the same leakage is the same just to satisfy curiousity. The dish is about 15yrs or so old. A few pics to study, suggestions welcome. Note: Is there a reason some of the posted pics get flipped ? ... the original posted image was horizontal. [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
KA Band section
Dishes for Ka-band: what works - what doesn't?
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