| 摘要 |
<p>A dual antenna comprising a dual reflector set-up with a main reflector, a sub-reflector and a feed antenna, where a helix is provided which also utilizes the main reflector. The sub-reflector is positioned between the main reflector and the helix so that the helix will not unnecessarily disturb the operation of the dual reflector set-up while using the main reflector.</p> |
