DESIGN AID
Effect of V.S.W.R. on transmitted power
15-55
Vol. 1
1.00 .0 ∞.000 .00 100.0 .0 1.64 4.3 12.3 .263 .24 94.1 5.9
1 01 .1 46.1 .000 .00 100.0 .0 1.66 4.4 12.1 .276 .25 93.8 6.2
1.02 .2 40.1 .000 .01 100.0 .0 1.68 4.5 11.9 .289 .25 93.6 6.4
1 03 .3 36.6 .001 .01 100.0 .0 1.70 4.5 11.7 .302 .26 93.3 6.7
1 04 .3 34.2 .002 .02 100.0 .0 1.72 4.7 11.5 .315 .26 93.0 7.0
1.05 .4 32.3 .003 .02 99.9 .1 1.74 4.8 11.4 .329 .27 92.7 7.3
1.06 .5 30.7 .004 .03 99.9 .1 1.76 4.9 11.2 .342 .28 92.4 7.6
1.07 .6 29.4 .005 .03 99.9 .1 1.78 5.0 11.0 .356 .28 92.1 7.9
1.08 .7 28.3 .006 .04 99.9 .1 1.80 5.1 10.9 .370 .29 91.8 8.2
1.09 .7 27.3 .008 .04 99.8 .2 1.82 5.2 10.7 .384 .29 91.5 8.5
1.10 .8 26.4 .010 .05 99.8 .2 1.84 5.3 10.6 .398 .30 91.3 8.7
1.11 .9 24.7 .012 .05 99.7 .3 1.86 5.4 10.4 .412 .30 91.0 9.0
1.12 1.0 24.9 .014 .06 99.7 .3 1.88 5.5 10.3 .426 .31 90.7 9.3
1 13 1.1 24.3 .016 .06 99.6 .4 1.90 5.6 10.2 .440 .31 90.4 9.6
1.14 1.1 23.7 .019 .07 99.6 .4 1.92 5.7 10.0 .454 .32 90.1 9.9
1.15 1.2 23.1 .021 .07 99.5 .5 1.94 5.8 9.9 .468 .32 89.8 10.2
1.16 1.3 22.6 .024 .07 99.5 .5 1.96 5.8 9.8 .483 .32 89.5 10.5
1.17 1.4 22.1 .027 .08 99.4 .6 1.98 5.9 9.7 .497 .33 89.2 10.8
1.18 1.4 21.7 .030 .08 99.3 .7 2.00 6.0 9.5 .512 .33 88.9 11.1
1.19 1.5 21.2 .033 .09 99.2 .8 2.50 8.0 7.4 .881 .43 81.6 18.4
1.20 1.6 20.8 .036 .09 99.2 .8 3.00 9.5 6.0 1.249 .50 75.0 25.0
1.21 1.7 20.4 .039 .10 99.1 .9 3.50 10.9 5.1 1.603 .56 69.1 30.9
1.22 1.7 20.1 .043 .10 99.0 1.0 4.00 12.0 4.4 1.938 .60 64.0 36.0
1.23 1.8 19.7 .046 .10 98.9 1.1 4.50 13.1 3.9 2.255 .64 59.5 40.5
1.24 1.9 19.4 .050 .11 98.9 1.1 5.00 14.0 3.5 2.553 .67 55.6 44.4
1.25 1.9 19.1 .054 .11 98.9 1.2 5.50 14.8 3.2 2.834 .69 52.1 47.9
1.26 2.0 18.8 .058 .12 98.7 1.3 6.00 15.6 2.9 3.100 .71 49.0 51.0
1.27 2.1 18.5 .062 .12 98.6 1.4 6.50 16.3 2.7 3.351 .73 46.2 53.8
1.28 2.1 18.2 .066 .12 98.5 1.5 7.00 16.9 2.5 3.590 .75 43.7 56.2
1.29 2.2 17.9 .070 .13 98.4 1.6 7.50 17.5 2.3 3.817 .76 41.5 58.5
1.30 2.3 17.7 .075 .13 98.3 1.7 8.00 18.1 2.2 4.033 .78 39.5 60.5
1.32 2.4 17.2 .083 .14 98.1 1.9 8.50 18.6 2.1 4.240 .79 37.7 62.3
1.34 2.5 16.8 .093 .15 97.9 2.1 9.00 19.1 1.9 4.437 .80 36.0 64.0
1.36 2.7 16.3 .102 .15 97.7 2.3 9.50 19.6 1.8 4.626 .81 34.5 65.5
1.38 2.8 15.9 .112 .16 97.5 2.5 10.00 20.0 1.7 4.807 .82 33.1 66.9
1.40 2.9 15.6 .122 .17 97.2 2.8 11.00 20.8 1.6 5.149 .83 30.6 69.4
1.42 3.0 15.2 .133 .17 97.0 3.0 12.00 21.6 1.5 5.466 .85 28.4 71.6
1.44 3.2 14.9 .144 .18 96.7 3.3 13.00 22.3 1.3 5.762 .86 26.5 73.5
1.46 3.3 14.6 .155 .19 96.5 3.5 14.00 22.9 1.2 6.040 .87 24.9 75.1
1.48 3.4 14.3 .166 .19 96.3 3.7 15.00 23.5 1.2 6.301 .88 23.4 76.6
1.50 3.5 14.0 .177 .20 96.0 4.0 16.00 24.1 1.1 6.547 .88 22.1 77.9
1.52 3.6 13.7 .189 .21 95.7 4.3 17.00 24.6 1.0 6.780 .89 21.0 79.0
1.54 3.8 13.4 .201 .21 95.5 4.5 18.00 25.1 1.0 7.002 .89 19.9 80.1
1.56 3.9 13.2 .213 .22 95.2 4.8 19.00 25.6 .9 7.212 .90 19.0 81.0
1.58 4.0 13.0 .225 .22 94.9 5.1 20.00 26.0 .9 7.413 .90 18.1 81.9
1.60 4.1 12.7 .238 .23 94.7 5.3 25.00 28.0 .7 8.299 .92 14.8 85.2
1.62 4.2 12.5 .250 .24 94.4 5.6 30.00 29.5 .6 9.035 .94 12.5 87.5
EFFECT OF V.S.W.R. ON TRANSMITTED POWER
V.S.W.R. RETURN TRANS. VOLT POWER POWER
V.S.W.R. LOSS LOSS REFL. TRANS REFL.
dB dB dB COEFF. % %
V.S.W.R. RETURN TRANS. VOLT POWER POWER
V.S.W.R. LOSS LOSS REFL. TRANS REFL.
dB dB dB COEFF. % %
Frequency Designation Chart
Frequency (GHz)
IEEE STD-521-1976
Frequency
designation
JCS frequency
designations
Wavelength (cm)
0.15 0.3 0.5 0.75 1.5 3 5 8 15 30 50 75
300 150 75 50 30 15 7.5 5 3 1.5 0.6 0.4
0.1 0.2 0.4 0.6 1 2 4 6 10 20 40 60 100
200 100 60 40 20 10 6 3.75 2 0.75 0.5 0.3
AB CDEFGHIJKLM
VHF UHF L S C X Ku K Ka MILLIMETER
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