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Message: <blockquote data-quote="ArloG" data-source="post: 1166711" data-attributes="member: 418555">The orthomode feed is a Harvard Scientific dual c band feed. I would say very much like a Chaparral ortho but much better.I was fortunate enough to have a friend who bought a previously owned storage building that was rented by the local catv company.It has a bunch of abandoned equipment. Pressurized feeds, lna's and downconverters of all types. I picked my ortho because it looked the nicest of the lot. And the Norsat lnbf's were plenty along with the lna's and stuff. The catv/isp has gone to fiber and retired and sold the old dishes.I had the ortho bead blasted on the outside and powder coated by another friend. The internal waveguide appears silver plated. It's nice!I have the best signal strength ever. By several dB. An elusive satellite I could never even snag a signal on comes in around 10.3 dB. A DVB tp locks and has a solid picture. A DVB-S2 tp. just pixelates. The rest just blaze in.But it's a heavy assembly. My dish has a sturdy buttonhook feed. But I added perimeter clips on the dish and support wires through holes in the Chaparral scalar. I just don't believe a depoalariser tube(I'm a Yank and so tempted to spell it the right way. "DepolariZer". lol!) would be my goal.Two in fact, since I have two lnbf's. I have polarotor feeds a-mundo. C band, C & ku band. I personally feel like I have pro stuff now.Anyhow. I was fishing for any knowledge and info from anyone who has played around with "slab" (ok I'll say it) depolarizers.I cannot imagine they work like a snap-action toggle switch. Either you're getting straight H & V. Or stick it in and it's R&L.I know that's how they are supposed to work and did on the Titanuim lnbf. I gained a lot of signal on circular polari...."z"....ation.And lost most of signal on linear polarity.What I guess I'm looking for is suggestions and models of slab dielectric versions that perform...ummm..."half-fast".I can afford to lose several dB strength on linear sats and still get a solid picture while (okay, again, respecting those who walked with the dinosaurs)Whilst (better?....is it whilst like William or whilst like Wyle E. Coyote?) gaining a lot of circular tp signal.Everyone over there must have had a fit when The Beatles played While My Guitar Gently Weeps. Can't imagine it having Whilst in the title....Or in the verse and lyrics. Smack me please. At least I didn't invent Lucas Electrics. The old Ford starts every single time if it has gas and (oops...."petrol") and battery (or is it "bat-tree").It's only a temporary thing. To scan the rest of the arc and log satellite positions into my dish mover. And interpolate how many encoder counts there between 2 degree separations throughout the polar mount/linear actuator geometry.C'mon. It's all in fun and a fun hobby to boot. Or is that "trunk"? Hah.</blockquote>

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