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Chapter 3 • Installing the radio and antenna assemblies
1035567-0001 Revision A
23
Because of the shim’s alignment pins, you must rotate the
TRIA 90
° from its horizontal polarization position. You must
rotate the TRIA before you re-attach the waveguide end so
you can insert the shim alignment pins into the waveguide
end plate. See Figures
21 and 22.
Figure 21: Direction of TRIA rotation for vertical polarization