Patent ID: 9225074
Filing Date: 2015-12-29
Classification: H01Q

Abstract:
1. An active antenna system for receiving electromagnetic radiation comprising: a vertical support mast; a front end electronics unit including an active balun and two circuit boards, the front end electronics unit affixed to the support mast; and two crossed-dipole antennas oriented at about 90 degrees to each other, each crossed-dipole antenna having two arms formed of electrically conductive material, each arm having an isoceles triangular frame with an apex of the frame electrically connected to a feedpoint of the front end electronics unit, each arm also having a longitudinal member extending from the apex to the center of the base of the triangular frame and a cross member extending between sides of the triangular frame, each of the two circuit boards having feed points for electrical connection to one of the two crossed-dipole antennas.