10
Feed Adjustment (Polarity tuning)
Install site west
Install site East
of satellite
of satellite
CW
CCW
Northern Hemisphere
CCW
CW
Southern Hemisphere
Feed Rotation Chart
CCW
CW
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.
Polarization Chart
Delta Longitude = |LONG
sat
- LONG
site
|
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
Site Latitude
Pol
ar
izat
ion
A
ngl
e
0
5
10
15
20
25
30
35
40
50
Delta
Longitude
