EXHIBIT 4

Construction Photographs (Internal)

GL-T8311Exciter Boards

EXHIBIT 4

Construction Photographs (Internal)

Gl-T8311Exciter Control Board

EXHIBIT 4

Construction Photographs (Internal)

GL-T8311Exciter VCO/RF AMP Board

EXHIBIT 4

Construction Photographs (Internal)

C2000 Controller Boards

EXHIBIT 4

Construction Photographs (Internal)

C2000 Controller Main Board

EXHIBIT 4

Construction Photographs (Internal)

GL-T8311 PA Board

EXHIBIT 4

Construction Photographs (Internal)

GL-T8311 PA Metering Board