Andrew 75E LFL Assembly Instructions Manual page 8

SKEW CHART
0 180
10 170
20 160
30 150
40 140
50 130
60 120
70 110
80 100
2.5
0
O
90 90
0 10
EARTH STATION LATITUDE IN DEGREES NORTH OR SOUTH OF EQUATOR
Use of Skew Chart
■ Determine = the difference between your site longitude and the satellite longitude.
■ Find you latitude on horizontal axis.
■ Follow your latitude up until you intersect the curve for your
■ Read Skew on vertical axis.
20
15
O
10
O
5
O
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
O
40 50
7
.
60 70 80