how to configure Circular Polarity on C Band LNB

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jermaine

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Aug 20, 2007
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Hi,

Iam from Portugal, and i want to get the sat NSS806 on 40,5 W circular polarity
This sat has only channels in C band, but in Europe most os sats are in KU band. So, i need a litle help, to configure an C band Lnb for circular polarity.
I have not experience in working with C Band Lnb´s.

Thanks,

Best Regards,

Antonio
 
gabshere

gabshere

SatelliteGuys Pro
Aug 20, 2006
3,720
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Rison , Arkansas
most of the newer lnbf's sold today accept a di-electric plate and has a slot that it slides into on the feedhorn this will gain the circular polarity ( this di-electric plate is usually sold with the new lnbf)

hope this helps and welcome to the group.
 
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jermaine

Thread Starter
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Aug 20, 2007
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Thanks for your help. Wich lnb for C band you recommend, for a prime focus dish of 1,8 m.


Best Regards,

Antonio
 
gabshere

gabshere

SatelliteGuys Pro
Aug 20, 2006
3,720
21
Rison , Arkansas
dem0nlord

dem0nlord

SatelliteGuys Pro
Dec 12, 2005
331
5
Central Texas
Is this dish going to be fixed on just that one sat, or motorized? If it's going to be motorized, I'd use something like a Chaparral wideband feed, since this will do both circular and linear C band without you having to go out to the dish and remove/install the dielectric plate every time you want to switch between the 2. I use one here and am getting good performance on both circular and linear. If it's just a fixed dish, then yes a cheapie C band LNBF with a dielectric plate is probably fine.
 
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