Hughes AN6-098P User Manual download pdf (Page 31)

Chapter 2 • Antenna parts and required tools

1037312-0001 Revision A

The feed support tube and the feed rods are the only main parts

included in both antenna kits that are different.

Feed horn and waveguide

transition

The feed horn (Figure 7) transmits and receives signals to and

from the reflector.

The J-type radio assembly requires a waveguide transition, as

shown in

Figure 7. In the antenna kit for the J-type radio, the

transition is attached to the feed horn at the factory, as shown in

Figure 7. As explained later in this manual, you attach the

transition the radio assembly.

The antenna kit for the cradle-type radio does not include a

waveguide transition because the feed horn attaches directly to

the cradle-type radio assembly.

Figure 7: Feed horn and waveguide transition

Feed horn with

protective packing

material

Waveguide

transition

CAUTION

• Do not remove the protective packing material from

the feed horn window until installation of the radio

assembly is complete.

• Do not attempt to remove the feed horn window at

any time.

• Be careful not to damage the feed horn window.

Do not touch the plastic film.

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Hughes AN6-098P User Manual Page 31