Patent ID: 7619580

Claim:
An antenna feeding network ( 1 ), comprising: at least one antenna feeding line, each antenna feeding line comprising a coaxial line ( 2 ) having a central inner conductor ( 3 ) and a surrounding outer conductor ( 4 ), wherein, the outer conductor ( 4 ) is made of an elongated tubular compartment ( 5 ) having an elongated opening ( 6 ) along one side of the compartment ( 5 ), the elongated opening ( 6 ) being elongated in a direction parallel to said coaxial line ( 2 ), the inner conductor ( 3 ) is suspended within the tubular compartment ( 5 ) by a dielectric support ( 7 ), and the elongated opening ( 6 ) is dimensioned to permit said dielectric support ( 7 ) to be accessed and displaced along said coaxial line ( 2 ).