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Chapter 3 • Installing the radio and antenna assemblies
24
1035567-0001 Revision A
Figure 22 shows how the TRIA is positioned for horizontal
transmit polarization compared to how it is positioned for
vertical transmit polarization.
6. Make sure the O-ring shown in Figure 21 on page 23 is in
place in the shim.
7. With the TRIA correctly positioned (rotated), place the
waveguide end plate against the shim.
8. Insert and tighten the four Allen screws.
Now you are ready to install the radio assembly on the feed arm.
Figure 22: TRIA position for horizontal and vertical transmit
polarization
Horizontal polarization
TRIA rotated for vertical polarization
TRIA
TRIA