| 摘要 |
<p>A multidirectional radio antenna assembly (10) comprising a plurality of elongate, substantially vertical antenna elements (12a-12f), arranged circumferentially around a vertical axis (14). At least some of the antenna elements (12b, 12c, 12e, 12f) are individually rotatably adjustable about at least one vertical axis in a respective upper and lower support member (18, 16).</p> |
