1
Meter | 3 Meter | 10 Meter
Antenna Page | VSWR
Graph | AF Graph
| 3 Meter Antenna Factor | |||
| Frequency (MHz) | AF (dB/m) | Gain (dBi) | Gain (Numeric) |
|
25
|
21.1
|
-22.9
|
0.01
|
|
30
|
18.4
|
-18.6
|
0.01
|
|
35
|
18.4
|
-17.3
|
0.02
|
|
40
|
13.2
|
-10.9
|
0.08
|
|
45
|
13.2
|
-9.9
|
0.10
|
|
50
|
9.1
|
-4.9
|
0.32
|
|
60
|
7.0
|
-1.2
|
0.75
|
|
70
|
6.8
|
0.3
|
1.07
|
|
80
|
8.5
|
-0.2
|
0.95
|
|
90
|
11.6
|
-2.3
|
0.59
|
|
100
|
14.3
|
-4.0
|
0.39
|
|
125
|
17.4
|
-5.2
|
0.30
|
|
150
|
17.6
|
-3.9
|
0.41
|
|
175
|
17.1
|
-1.9
|
0.64
|
|
200
|
12.5
|
3.8
|
2.39
|
|
225
|
12.2
|
5.1
|
3.22
|
|
250
|
14.8
|
3.4
|
2.19
|
|
275
|
14.1
|
5.0
|
3.14
|
|
300
|
14.1
|
5.7
|
3.72
|
|
325
|
15.0
|
5.5
|
3.58
|
|
350
|
14.8
|
6.3
|
4.29
|
|
375
|
16.0
|
5.7
|
3.72
|
|
400
|
16.7
|
5.5
|
3.59
|
|
425
|
17.5
|
5.3
|
3.39
|
|
450
|
17.6
|
5.8
|
3.76
|
|
475
|
18.2
|
5.6
|
3.61
|
|
500
|
18.4
|
5.8
|
3.81
|
|
525
|
19.6
|
5.1
|
3.22
|
|
550
|
20.1
|
5.0
|
3.13
|
|
575
|
20.3
|
5.1
|
3.25
|
|
600
|
19.9
|
5.9
|
3.86
|
|
625
|
20.3
|
5.8
|
3.83
|
|
650
|
21.1
|
5.4
|
3.50
|
|
675
|
21.2
|
5.6
|
3.65
|
|
700
|
21.4
|
5.8
|
3.78
|
|
725
|
21.9
|
5.6
|
3.63
|
|
750
|
22.2
|
5.5
|
3.58
|
|
775
|
22.4
|
5.6
|
3.66
|
|
800
|
22.6
|
5.7
|
3.73
|
|
825
|
23.1
|
5.5
|
3.57
|
|
850
|
23.1
|
5.7
|
3.73
|
|
875
|
23.3
|
5.8
|
3.78
|
|
900
|
23.5
|
5.9
|
3.85
|
|
925
|
23.8
|
5.8
|
3.77
|
|
950
|
24.1
|
5.7
|
3.73
|
|
975
|
24.1
|
5.9
|
3.91
|
|
1000
|
24.4
|
5.8
|
3.84
|
|
1100
|
24.9
|
6.2
|
4.14
|
|
1200
|
25.6
|
6.2
|
4.18
|
|
1300
|
26.4
|
6.1
|
4.08
|
|
1400
|
27.4
|
5.8
|
3.77
|
|
1500
|
28.1
|
5.7
|
3.72
|
|
1600
|
29.0
|
5.4
|
3.45
|
|
1700
|
29.3
|
5.6
|
3.62
|
|
1800
|
29.8
|
5.6
|
3.60
|
|
1900
|
30.5
|
5.3
|
3.41
|
|
2000
|
30.9
|
5.3
|
3.41
|
|
2100
|
31.8
|
4.9
|
3.09
|
|
2200
|
31.4
|
5.7
|
3.67
|
|
2300
|
31.7
|
5.7
|
3.75
|
|
2400
|
32.5
|
5.4
|
3.43
|
|
2500
|
32.7
|
5.5
|
3.53
|
|
2600
|
32.4
|
6.1
|
4.07
|
|
2700
|
32.7
|
6.2
|
4.15
|
|
2800
|
33.7
|
5.5
|
3.55
|
|
2900
|
34.1
|
5.4
|
3.44
|
|
3000
|
33.9
|
5.9
|
3.89
|
|
3100
|
34.0
|
6.0
|
4.02
|
|
3200
|
34.6
|
5.8
|
3.80
|
|
3300
|
35.1
|
5.5
|
3.58
|
|
3400
|
36.1
|
4.8
|
3.04
|
|
3500
|
35.6
|
5.5
|
3.59
|
|
3600
|
35.1
|
6.3
|
4.23
|
|
3700
|
35.7
|
5.9
|
3.91
|
|
3800
|
36.9
|
5.0
|
3.14
|
|
3900
|
37.3
|
4.7
|
2.98
|
|
4000
|
37.5
|
4.8
|
3.01
|
|
4100
|
38.1
|
4.4
|
2.74
|
|
4200
|
38.3
|
4.4
|
2.77
|
|
4300
|
38.4
|
4.6
|
2.86
|
|
4400
|
38.3
|
4.8
|
3.01
|
|
4500
|
38.8
|
4.6
|
2.85
|
|
4600
|
38.9
|
4.6
|
2.89
|
|
4700
|
39.2
|
4.5
|
2.83
|
|
4800
|
39.4
|
4.5
|
2.79
|
|
4900
|
39.9
|
4.2
|
2.61
|
|
5000
|
40.0
|
4.3
|
2.68
|
|
5100
|
39.8
|
4.6
|
2.85
|
|
5200
|
39.5
|
5.1
|
3.24
|
|
5300
|
40.1
|
4.7
|
2.93
|
|
5400
|
39.6
|
5.3
|
3.36
|
|
5500
|
40.3
|
4.8
|
2.99
|
|
5600
|
40.5
|
4.7
|
2.95
|
|
5700
|
41.1
|
4.3
|
2.69
|
|
5800
|
41.8
|
3.7
|
2.34
|
|
5900
|
42.4
|
3.2
|
2.10
|
|
6000
|
43.3
|
2.5
|
1.77
|
|
6100
|
43.6
|
2.4
|
1.72
|
|
6200
|
43.4
|
2.7
|
1.85
|
|
6300
|
44.2
|
2.0
|
1.58
|
|
6400
|
44.5
|
1.9
|
1.55
|
|
6500
|
44.6
|
1.9
|
1.56
|
|
6600
|
45.0
|
1.7
|
1.47
|
|
6700
|
45.8
|
1.0
|
1.26
|
|
6800
|
46.6
|
0.3
|
1.08
|
|
6900
|
47.0
|
0.0
|
0.99
|
|
7000
|
48.5
|
-1.3
|
0.73
|
|
|