UHF antenna described in the article A. Manakova, can be improved by adding three more elements. The gain of the modified antenna has increased significantly, which gives a great advantage when used in both indoor and outdoor version.
The antenna design shown in the figure, the dimensions in the table. For making possible to use wire of copper or brass with a diameter of 3...5 mm. Wire consistently curved shape shown in the figure, the joints are soldered. For greater structural strength before brazing the joints can be pulled away a thin copper wire.
The antenna cable is soldered at the points"A" and"b". At point "C" cable-connects to the material of the antenna.
Channels
W, mm
G, mm
W, mm
D, mm
Mm
P,
mm
And,
mm
B,
mm
And,
mm
To, mm
L,
mm
Sh mm
21 26
68
90
112
134
158
193
67
98
55
43
31
150
27 32
56
78
100
122
144
176
61
89
49
37
25
138
33 40
44
66
88
110
131
160
55
80
43
31
19
124
41 49
33
55
77
99
117
143
50
72
38
27
16
109
50 58
24
45
67
89
105
129
45
69
34
21
12
99
59 68
17
38
59
81
96
113
41
59
30
18
8
96
69 80
10
31
52
73
86
106
37
53
26
14
4
81
Author: W. Caturano, Gomel; Publication: N. Bolshakov, rf.atnn.ru