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VSWR Conversion Chart

 
VSWR Return Loss dB
 Transmission Loss dB
 Reflected Power %
1.00   0.000
0.0
1.01
46.1
0.000
0.0
1.02
40.1 0.000
0.0
1.03
36.6
 0.001
0.0
1.04
 34.2
0.003
0.0
1.05
 32.3
0.003
0.1
1.06
30.7
0.004
0.1
1.07
 29.4
0.005
0.1
1.08
 28.3
0.006
0.1
1.09
27.3
0.008
0.2
1.10
26.4
0.010
0.2
1.11
25.7
0.012
0.3
1.12
 24.9
0.014
0.3
1.13
24.3
0.016
0.4
1.14
23.7
0.019
0.4
1.15
23.1
0.021
0.5
1.16
22.6
0.024
0.5
1.17
22.1
0.027
0.6
1.18
21.7
0.030
0.7
1.19
21.2
0.033
0.8
1.20
20.8
0.036
0.8
1.21
20.4
0.039
0.9
1.22 20.4
0.043
1.0
1.23 19.7
0.046
1.1
1.24 19.4
0.050
1.1
1.25 19.1
0.054
1.2
1.26 18.8
0.058
1.3
1.27 18.5
0.062
1.4
1.28 18.2
0.066
1.5
1.29 17.9
0.070
1.6
1.30 17.7
0.075
1.7
1.32 17.2
0.083
1.9
1.34 16.8
0.093
2.1
1.36 16.3 0.102
2.3
1.38 15.9 0.112
2.5
1.40 15.6
0.122
2.8
1.42 15.2
0.133
3.0
1.44 14.9 0.144
3.3
1.46 14.6
0.155
3.5
1.48 14.3
0.166
3.7
1.50 14.0
0.177
4.0
1.52 13.7
0.189
4.3
1.54 13.4
0.201
4.5
1.56 13.2
0.213
4.8
1.58 13.0
0.225
5.1
1.60 12.7
0.238
5.3
1.62 12.5
0.250
5.6
1.66 12.1
0.276
6.2
1.68 11.9
0.289
6.4
1.70 11.7
0.302
6.7
1.72 11.5
0.315
7.0
1.74 11.4
0.329
7.3
1.76 11.2 0.342
7.6
1.78 11.0
0.356
7.9
1.80 10.9
0.370
8.2
1.82 10.7
0.384
8.5
1.84 10.6
0.398
8.7
1.86 10.4
0.412
9.0
1.88 10.3
0.426
9.3
1.90
 10.2
0.440
9.6
1.92 10.0
0.454
 9.9
1.94
 9.9
0.468
10.2
1.96
 9.8
0.483
10.5
1.98
 9.7
0.497
10.8
2.00
 9.5
0.512
11.1
2.50 7.4 0.881
18.4
3.0
 6.0
1.249
25.0
4.0
 4.4
1.938
36.0
5.0
 3.5
2.553
44.4
10
 1.7
4.810
66.9
20
 0.9
7.413
81.9