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Satellite Systems and Accessories - (no Trade)
C120 and other waveguide
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<blockquote data-quote="s-band" data-source="post: 1036260" data-attributes="member: 407744"><p>Thanks for the offer, I may take you up on an IRTE. The problem is that the LNA <a href="https://smw.se/product/lna/smw-lna-ku-band/?" target="_blank">https://smw.se/product/lna/smw-lna-ku-band/?</a> has female threads as do the feed assemblies so both ends of an adapter need to have clearance holes and space to insert bolts. In the case of the Visiosat, the feed was used with an OMT (which I have) but I'd prefer not to have the loss and the 2nd port makes rotation awkward. The 2nd picture here <a href="https://www.satellites.co.uk/forums/threads/visiosat-ku-rotating-feed.172488/post-1028041" target="_blank">Visiosat Ku Rotating Feed</a> shows the Prodelin to 4 hole 120 adapter on the right and the OMT flange extreme right. I'd like to be able to mix and match various feeds & LNA/LNBs.</p><p></p><p>It may be just possible to drill the Prodlein feed (0183-721) flange but the holes will probably break out the side as the flange is smaller diameter than normal C120. John kindly sent me an IRTE without the location lip (i.e. flat on C120 side) and I may have a go at drilling and tapping the 6 hole pattern but I don't have a dividing head so it will not be very precise. </p><p></p><p>Having written the above, and thinking about it, a bit of WR75 with normal flanges will sort at least one option.</p></blockquote><p></p>
[QUOTE="s-band, post: 1036260, member: 407744"] Thanks for the offer, I may take you up on an IRTE. The problem is that the LNA [URL]https://smw.se/product/lna/smw-lna-ku-band/?[/URL] has female threads as do the feed assemblies so both ends of an adapter need to have clearance holes and space to insert bolts. In the case of the Visiosat, the feed was used with an OMT (which I have) but I'd prefer not to have the loss and the 2nd port makes rotation awkward. The 2nd picture here [URL="https://www.satellites.co.uk/forums/threads/visiosat-ku-rotating-feed.172488/post-1028041"]Visiosat Ku Rotating Feed[/URL] shows the Prodelin to 4 hole 120 adapter on the right and the OMT flange extreme right. I'd like to be able to mix and match various feeds & LNA/LNBs. It may be just possible to drill the Prodlein feed (0183-721) flange but the holes will probably break out the side as the flange is smaller diameter than normal C120. John kindly sent me an IRTE without the location lip (i.e. flat on C120 side) and I may have a go at drilling and tapping the 6 hole pattern but I don't have a dividing head so it will not be very precise. Having written the above, and thinking about it, a bit of WR75 with normal flanges will sort at least one option. [/QUOTE]
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General Topics
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Satellite Systems and Accessories - (no Trade)
C120 and other waveguide
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