An antenna for receiving and/or transmitting electromagnetic signals is disclosed. The antenna includes a ground plane with a length and having a vertical axis along the length, and a dipole radiating element projects outwardly from a surface of the ground plane. The radiating element includes a feed...http://www.google.com/patents/US7864130?utm_source=gb-gplus-sharePatent US7864130 - Broadband single vertical polarized base station antenna
