用3.6米拉杆天线搭配铝管设计的20米(14MHz)的HB9CV天线数据如下: 
 组装尺寸:11.04m*2.65m
架设高度:10米
中心频点:14.270MHz
理论增益:11.01db
理论前后比:18.72db
理论仰角:27.4度
理论驻波比:1.0 
振子尺寸:
*
14.27
***Wires***
19
-0.0,        -1.9,        0.0,        -0.0,        -5.14,        0.0,        -0.001,        -1
-0.0,        -1.9,        0.0,        -0.0,        0.0,        0.0,        0.01,        -1
0.0,        1.9,        0.0,        0.0,        5.14,        0.0,        -0.001,        -1
0.0,        1.9,        0.0,        0.0,        0.955,        0.0,        0.01,        -1
-0.0,        0.955,        0.0,        -0.0,        0.0,        0.0,        0.01,        -1
-2.65,        -2.1,        0.0,        -2.65,        -5.52,        0.0,        -0.001,        -1
-2.65,        -2.1,        0.0,        -2.65,        -0.955,        0.0,        0.01,        -1
-2.65,        -0.955,        0.0,        -2.65,        0.0,        0.0,        0.01,        -1
-2.65,        2.1,        0.0,        -2.65,        5.52,        0.0,        -0.001,        -1
-2.65,        2.1,        0.0,        -2.65,        0.0,        0.0,        0.01,        -1
-2.65,        0.0,        0.0,        -0.0,        0.0,        0.0,        0.01,        -1
0.0,        0.955,        0.0,        -0.15,        0.955,        0.0,        0.0075,        -1
-0.15,        0.955,        0.0,        -0.15,        0.1,        0.0,        0.0075,        -1
-0.15,        0.1,        0.0,        -1.28,        0.1,        0.02,        0.0015,        -1
-1.28,        0.1,        0.02,        -1.707,        -0.1,        0.02,        0.0015,        -1
-1.707,        -0.1,        0.02,        -2.5,        -0.1,        0.0,        0.0015,        -1
-2.5,        -0.1,        0.0,        -2.5,        -0.955,        0.0,        0.0075,        -1
-2.5,        -0.955,        0.0,        -2.65,        -0.955,        0.0,        0.0075,        -1
-0.0,        0.0,        0.0,        -0.15,        0.1,        0.0,        0.0015,        -1
***Source***
1,        0
w19c,        0.0,        1.0
***Load***
1,        1
w19c1,        0,        0.0,        159.2,        0.0
***Segmentation***
400,        40,        2.0,        2
***G/H/M/R/AzEl/X***
2,        10.0,        4,        50.0,        120,        60,        0.0
$$$Taper wire set$$$
1
-0.001,        1,        0.39,        0.0075,        0.34,        0.007,        0.34,        0.0065,        0.34,        0.006,        0.34,        0.0055,        0.34,        0.005,        0.34,        0.0045,        0.34,        0.004,        99999.9,        0.0035 
振子结构图: 
 
 计算出来的方向图、增益、前后比、仰角、驻波比、阻抗:
 
 带宽范围的远场参数:
 
 阻抗和带宽,带宽是个大问题,BW(1.5)只有300KHz,BW(2.0)也只有550KHz,因为末端振子太细了,很难搞宽。
 
 3D方向图,像一只致命的蜱虫!
 
 [ 此帖被BH7NLD在2013-09-22 18:00重新编辑 ]