Test Post
99 Radial, 8.07 MHz, 9 meter monopole
Er: 16
Resistivity: 150 ohm-m
Antenna
Loss
Efficiency
Compared
(Includes
to
Radial
Radial End
Antenna
Radiation
Radial
Surface
10 m
Length
Separation
Zin
Resistance
Zin
Wave).
Radials
(m)
(m)
(ohms)
(ohms)
(ohms)
(%)
(dB)
0.5
0.026
76.15-33.62i
13.19
62.96-33.62i
17.6
3.66
1
0.058
60.9-18.2i
13.24
47.66-18.2i
21.7
2.75
1.5
0.091
55-13.7i
13.25
41.75-13.7i
24.1
2.29
2
0.123
51.5-12.5i
13.24
38.26-12.5i
25.7
2.01
2.5
0.155
48.9-11.2i
13.22
35.68-11.2i
27.1
1.78
3
0.188
46.6-10.8i
13.18
33.42-10.8i
28.3
1.60
3.5
0.220
44.7-10.5i
13.14
31.56-10.5i
29.4
1.43
4
0.252
42.9-10.1i
13.11
29.79-10.1i
30.6
1.26
4.5
0.285
41.3-9.53i
13.09
28.21-9.53i
31.7
1.10
5
0.317
39.9-8.91i
13.1
26.8-8.91i
32.8
0.95
5.5
0.349
38.8-8.24i
13.12
25.68-8.24i
33.8
0.82
6
0.382
37.9-37.99i
13.16
24.74-37.99i
34.7
0.71
6.5
0.414
37.1-6.86i
13.22
23.88-6.86i
35.6
0.60
7
0.446
36.5-6.18i
13.3
23.2-6.18i
36.4
0.50
7.5
0.479
36-5.5i
13.4
22.6-5.5i
37.2
0.41
8
0.511
35.6-4.82i
13.52
22.08-4.82i
38.0
0.32
8.5
0.543
35.3-4.16i
13.67
21.63-4.16i
38.8
0.23
9
0.576
35-3.5i
13.83
21.17-3.5i
39.5
0.15
9.5
0.608
34.9-2.86i
14.02
20.88-2.86i
40.2
0.07
10
0.640
34.9-2.24i
14.24
20.66-2.24i
40.9
0.00
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