Andrew 75E LFL Antenna Montagehandleiding - Pagina 12

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SKEW CHART
180
180
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100
90
90
0
10
EARTH STATION LATITUDE IN DEGREES NORTH OR SOUTH OF EQUATOR
Use of Skew Chart
n Determine
= the difference between your site longitude and the satellite longitude.
n Find you latitude on horizontal axis.
n Follow your latitude up until you intersect the curve for your
n Read Skew on vertical axis.
20
O
15
O
10
O
5
O
20
30
Use Skew Value A when site longitude is West
of satellite and you are in Northern Hemisphere
Use Skew Value B when site longitude is East
of satellite and you are in Northern Hemisphere
Use Skew Value B when site longitude is West
of satellite and you are in Southern Hemisphere
Use Skew Value A when site longitude is East
of satellite and you are in Southern Hemisphere
75
O
60
O
40
O
30
O
40
50
11
.
60
70
80