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Feed Adjustment (Polarity tuning)
1. Adjust the Feed to the appropriate skew
angle using the provided scale reference.
NOTE: Refer to the chart below for
polarizationangle. Elevation and polarity are
both dependent on site azimuth and the differ-
ence between satellite and site longitude.
Feed Rotation Chart
Install site west
of satellite
CW
CCW
90. 0
80. 0
70. 0
60. 0
50. 0
40. 0
30. 0
20. 0
10. 0
0. 0
0. 0
10. 0
10
Install site East
of satellite
CCW
CW
Pol ar i zat i on Char t
Del t a Longi t ude = | LONG
20. 0
30. 0
40. 0
Si t e Lat i t ude
Northern Hemisphere
Southern Hemisphere
- LONG
|
sat
si t e
50. 0
60. 0
70. 0
CCW
Del t a
0
Longi t ude
5
10
15
20
25
30
35
80. 0
90. 0
40
50
CW
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