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Skew - Polarity
When you set the skew (Polarity) on your LNBF you are lining up your dish exactly to the same horizontal/vertical position as the satellite in the sky. The satellites all lie in a curve in the sky ( Clarke Belt ) and so are at different heights. Ku satellites use Horizontal and Vertical liner polarization and so the skew has to match the (H/V) position of the satellite for optimum satellite signal strength/quality.
When standing in front of your dish, rotate the LNBF anti-clockwise for
+ skew values.
Rotate the LNBF clockwise for - skew values.
When the LNBF is straight up and down it is in the zero position.
Keep your LNBF in the zero position when using a motor mount.
This info is relevant only for liner Ku band LNBF.
Polarization is not a factor with circular (L/R) polarized DBS LNB.
On a multi LNB DBS satellite dish (Phase III / Dish 500...) the reason the skew is set is to simply level or align the LNB'S with the satellites in the sky.
09-13-2004 06:03 PM