quadrifilar helix四线螺旋
Conical quadrifilar helical antenna圆锥四臂螺旋天线
quadrifilar spiral antenna四臂螺旋天线
Quadrifilar Helix Antenna四臂螺旋式天线;四臂螺旋天线
Quadrifilar helical antenna四线螺旋天线
Printed Quadrifilar Helical Antenna印刷四臂螺旋天线
resonant quadrifilar helix antenna谐振式四臂螺旋天线