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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
KA Band section
Ka with Prodelin/Viasat 1.2m Band B
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<blockquote data-quote="s-band" data-source="post: 1014137" data-attributes="member: 407744"><p>I put a Prodelin 3122 Ka dish on the <a href="https://www.satellites.co.uk/forums/threads/channel-master-1-8-restoration.169213/page-3#post-1013414" target="_blank">CM1.8 polar mount</a>. I could not work out how to get the Viasat ODU working so I bodged a Gilat 2.5W ODU on the platform.(only the RX connected - it wasn't me [USER=175007]@Llew[/USER]). The sky/ground noise figure of the whole thing measured about 2.9dB, not fantastic but it has all the diplexer stuff to get through. The dish is 0.8f/d, I think, so I'm not sure how well the Gilat feed is matched.</p><p></p><p>[ATTACH]106577[/ATTACH]</p><p></p><p>I don't know my way around Ka so I mistook 9E for 0.7W and used the wrong starting point - doh! That meant that I couldn't work out what was where. I knew something wasn't right as I had to keep adjusting the declination. I sorted it out after with reference to the scans on satellitescommunity.de. If I still have it wrong, let me know. I didn't have time to physically switch polarisation so I only did RHCP. One TP on 0.7W is really strong.</p><p></p><p>Plots, L to R: 0.7W, 0.7W, 9E, 28E</p><p></p><p>[ATTACH]106578[/ATTACH] [ATTACH]106579[/ATTACH] [ATTACH]106580[/ATTACH] [ATTACH]106581[/ATTACH]</p></blockquote><p></p>
[QUOTE="s-band, post: 1014137, member: 407744"] I put a Prodelin 3122 Ka dish on the [URL='https://www.satellites.co.uk/forums/threads/channel-master-1-8-restoration.169213/page-3#post-1013414']CM1.8 polar mount[/URL]. I could not work out how to get the Viasat ODU working so I bodged a Gilat 2.5W ODU on the platform.(only the RX connected - it wasn't me [USER=175007]@Llew[/USER]). The sky/ground noise figure of the whole thing measured about 2.9dB, not fantastic but it has all the diplexer stuff to get through. The dish is 0.8f/d, I think, so I'm not sure how well the Gilat feed is matched. [ATTACH]106577[/ATTACH] I don't know my way around Ka so I mistook 9E for 0.7W and used the wrong starting point - doh! That meant that I couldn't work out what was where. I knew something wasn't right as I had to keep adjusting the declination. I sorted it out after with reference to the scans on satellitescommunity.de. If I still have it wrong, let me know. I didn't have time to physically switch polarisation so I only did RHCP. One TP on 0.7W is really strong. Plots, L to R: 0.7W, 0.7W, 9E, 28E [ATTACH]106578[/ATTACH] [ATTACH]106579[/ATTACH] [ATTACH]106580[/ATTACH] [ATTACH]106581[/ATTACH] [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
KA Band section
Ka with Prodelin/Viasat 1.2m Band B
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