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universe

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Posts: 137
Reply with quote  #1 
OKAY guys what do you recommend from Rick's supply store for a feedhorn that will get both linear and circular feeds. Having a 12 ft dish  my loss  will be minut  I WAS TOLD on the linear side...........,I get all the birds 58 west =3 west     there are 11 satellites that are circular. I do not want something from ebay  ONLY FROM RICK   recommendation of a feedhorn for this purpose please. THANK YOU GUYS
RickCaylor

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Reply with quote  #2 
universe,

I sent you an e-mail.

You have already purchased a Chaparral C/Ku Wideband Feed Horn.  This will allow you to do Linear Ku and Circular C.  

In my experiences, you will have quite a bit of Loss of Signal if you try and use that feed horn for Linear C.

I know that with where your dish is located, you will not be able to go to the roof every time that you might want to put in a slab on your C Linear Feed, just to be able to receive Circular C Feeds.

If you are going to want to watch a lot of feeds on Circular C as well as a lot of feeds on Linear C, then I don't have a good option for you myself.  Again, this is because of the location of your dish.  If you had a good ground level view, I would say just put in the slab when you want to do Circular or put up another dish dedicated for Circular C.

Good Luck.

Rick

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Please e-mail or call me if need to make contact @ rickcaylor@aol.com or Ricks Satellite / 816-228-1801.

jimmypop

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Posts: 652
Reply with quote  #3 
lol, that's what I do, everytime I wanna check out 47.5w or 40w I go up to the roof, use an arm extender and through the center of the plate I place the dielectric plate, its a huge hassle but that way i don't lose any quality on the linear sats
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Scanning C Band 135º-43º on 10ft'er
& C Band 61º-40º on 7ft'er
from Central Mexico
takoulis

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Posts: 42
Reply with quote  #4 
This is a post that i made at Satguys a while back.
 In response to circular polarization, i made my own feed using a Chaparral Polarotor and Av-Comm circular polarizer barrel purchased from manufacturer in Australia i am here in the states using a 7 1/2ft Winegard Quadstar dish getting decent reception on all circular polarizations using a Titanium ASC1 to set skew positions with polarizer it works wonderful with very little signal loss on linear polarizations its a lot better than using the Chaparral Corotor international feed no dielectric plate in the middle of the oppening.I have recently acquired a 10ft Winegard Quadstar which i will be putting up this summer i will be using it with this feed.I just had to machine the barrel on the inside to fit the Polarotor and the front outside to fit Chaparral scalar ring,here are some pictures of my setup. F1342.jpg Av-COMM barrel AV-Comm.jpg Polarotor inserted into barrel IMG_0713.JPG Mounted on dish IMG_0714.JPG IMG_0709 (2).JPG
Setting on ASC 1 Vertical +45  Setting on ASC1 Horizontal -45
  IMG_0708 (2).JPG IMG_0710 (2).JPG Setting on ASC1 horizontal LHC -90


IMG_0707 (2).JPG Setting on ASC1 Vertical RHC  00

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Titanium ASC1 positioner AJAK H-H winnegard 7 1/2 dish, AV Comm polarizer barrel with Chaparral Polarotor feed, Cal Amp 140194 20k PLL C band LNB.   1M ku dish on H-H motor. Openbox S10  DM 900HD Hellobox V7  Coolsat 5000 DSR 6000
universe

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Posts: 137
Reply with quote  #5 
i got a chaparral c/ku wideband    are you telling me this feedhorn you have by  AV-COMM is better? if so how do i buy what you have and i'll pay you to design it the same way you did yours. If we can go through Rick the better, I want to give him the credit if i buy this feedhorn. AGAIN should i keep what i have or go with your baby.?
takoulis

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Posts: 42
Reply with quote  #6 
Av Comm is located in Australia you have to purchase the barrel through them and you also need to purchase a Chaparral Polarotor feed, can not use a Corotor C/Ku feed, polarotor can be purchased through Rick you can use your existing C band LNB with the Polarotor but you will have no KU It has to be machined to fit it into the barrel i can not do it as i don’t have a lathe anymore,it works a lot better than the Corotor a lot less signal loss no Dielectric plate involved as you can see it’s all open,you will also need a ASC 1 positioner for skew control settings, it’s a little bit of work involved to put it together but well worth it .
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Titanium ASC1 positioner AJAK H-H winnegard 7 1/2 dish, AV Comm polarizer barrel with Chaparral Polarotor feed, Cal Amp 140194 20k PLL C band LNB.   1M ku dish on H-H motor. Openbox S10  DM 900HD Hellobox V7  Coolsat 5000 DSR 6000
universe

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Posts: 137
Reply with quote  #7 
lots of work. I do not have that kind of skill. There was always the debate, which is  better  Chapparell or ADL........Adl feedhorns cost more, does that mean they are better or just paying for the name. I have a chapparell wideband circ/linear i got from Rick, will the results be better for my circulars with a ADL feedhorn, of course without hurting my linears... 12 ft dish matters i would hope.
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