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RL to VSWR Reference/Conversion Table
To convert from Return Loss (RL) to Voltage Standing Wave Ratio (VSWR), find the RL value in the left column.
The corresponding value in the right column is the VSWR value.
| RL | VSWR | | RL | VSWR | | RL | VSWR | | RL | VSWR | | RL | VSWR | | - 0.00 | INF | | - 0.01 | 1737.178 | | - 0.02 | 868.5893 | | - 0.03 | 579.0599 | | - 0.04 | 434.2952 | | - 0.05 | 347.4365 | | - 0.06 | 289.5308 | | - 0.07 | 248.1696 | | - 0.08 | 217.1488 | | - 0.09 | 193.0215 | | - 0.1 | 173.7197 | | - 0.2 | 86.86273 | | - 0.3 | 57.91169 | | - 0.4 | 43.43712 | | - 0.5 | 34.75315 | | - 0.6 | 28.96448 | | - 0.7 | 24.83026 | | - 0.8 | 21.73007 | | - 0.9 | 19.31924 | | - 1.0 | 17.39096 | | - 1.1 | 15.81363 | | - 1.2 | 14.49950 | | - 1.3 | 13.38784 | | - 1.4 | 12.43527 | | - 1.5 | 11.60995 | | - 1.6 | 10.88805 | | - 1.7 | 10.25129 | | - 1.8 | 9.685503 | | - 1.9 | 9.179470 | | - 2.0 | 8.724232 | | - 2.1 | 8.312532 | | - 2.2 | 7.938432 | | - 2.3 | 7.597029 | | - 2.4 | 7.284235 | | - 2.5 | 6.996616 | | - 2.6 | 6.731269 | | - 2.7 | 6.485717 | | - 2.8 | 6.257841 | | - 2.9 | 6.045811 | | - 3.0 | 5.848044 | | - 3.1 | 5.663157 | | - 3.2 | 5.489945 | | - 3.3 | 5.327345 | | - 3.4 | 5.174421 | | - 3.5 | 5.030343 | | - 3.6 | 4.894375 | | - 3.7 | 4.765858 | | - 3.8 | 4.644205 | | - 3.9 | 4.528886 | | - 4.0 | 4.419428 | | - 4.1 | 4.315400 | | - 4.2 | 4.216416 | | - 4.3 | 4.122123 | | - 4.4 | 4.032201 | | - 4.5 | 3.946359 | | - 4.6 | 3.864330 | | - 4.7 | 3.785871 | | - 4.8 | 3.710759 | | - 4.9 | 3.638788 | | - 5.0 | 3.569771 | | - 5.1 | 3.503533 | | - 5.2 | 3.439914 | | - 5.3 | 3.378766 | | - 5.4 | 3.319951 | | - 5.5 | 3.263342 | | - 5.6 | 3.208820 | | - 5.7 | 3.156276 | | - 5.8 | 3.105608 | | - 5.9 | 3.056719 | | - 6.0 | 3.009520 | | - 6.1 | 2.963930 | | - 6.2 | 2.919869 | | - 6.3 | 2.877264 | | - 6.4 | 2.836048 | | - 6.5 | 2.796156 | | - 6.6 | 2.757528 | | - 6.7 | 2.720107 | | - 6.8 | 2.683840 | | - 6.9 | 2.648676 | | - 7.0 | 2.614568 | | - 7.1 | 2.581472 | | - 7.2 | 2.549346 | | - 7.3 | 2.518148 | | - 7.4 | 2.487842 | | - 7.5 | 2.458392 | | - 7.6 | 2.429763 | | - 7.7 | 2.401925 | | - 7.8 | 2.374845 | | - 7.9 | 2.348497 | | - 8.0 | 2.322851 | | - 8.1 | 2.297882 | | - 8.2 | 2.273564 | | - 8.3 | 2.249875 | | - 8.4 | 2.226792 | | - 8.5 | 2.204293 | | - 8.6 | 2.182358 | | - 8.7 | 2.160967 | | - 8.8 | 2.140102 | | - 8.9 | 2.119745 | | - 9.0 | 2.099878 | | - 9.1 | 2.080486 | | - 9.2 | 2.061553 | | - 9.3 | 2.043064 | | - 9.4 | 2.025005 | | - 9.5 | 2.007363 | | - 9.6 | 1.990123 | | - 9.7 | 1.973273 | | - 9.8 | 1.956803 | | - 9.9 | 1.940699 | | - 10.0 | 1.924951 | | - 11 | 1.784888 | | - 12 | 1.670900 | | - 13 | 1.576895 | | - 14 | 1.498520 | | - 15 | 1.432581 | | - 16 | 1.376678 | | - 17 | 1.328977 | | - 18 | 1.288048 | | - 19 | 1.252764 | | - 20 | 1.222222 | | - 21 | 1.195691 | | - 22 | 1.172574 | | - 23 | 1.152377 | | - 24 | 1.134690 | | - 25 | 1.119170 | | - 26 | 1.105526 | | - 27 | 1.093514 | | - 28 | 1.082923 | | - 29 | 1.073573 | | - 30 | 1.065311 | | - 31 | 1.058002 | | - 32 | 1.051532 | | - 33 | 1.045800 | | - 34 | 1.040718 | | - 35 | 1.036209 | | - 36 | 1.032208 | | - 37 | 1.028656 | | - 38 | 1.025500 | | - 39 | 1.022695 | | - 40 | 1.020202 | | - 41 | 1.017985 | | - 42 | 1.016014 | | - 43 | 1.014260 | | - 44 | 1.012699 | | - 45 | 1.011310 | | - 46 | 1.010074 | | - 47 | 1.008974 | | - 48 | 1.007994 | | - 49 | 1.007122 | | - 50 | 1.006345 | | - 51 | 1.005653 | | - 52 | 1.005036 | | - 53 | 1.004487 | | - 54 | 1.003999 | | - 55 | 1.003563 | | - 56 | 1.003175 | | - 57 | 1.002829 | | - 58 | 1.002521 | | - 59 | 1.002247 | | - 60 | 1.002002 | | - 61 | 1.001784 | | - 62 | 1.001590 | | - 63 | 1.001417 | | - 64 | 1.001263 | | - 65 | 1.001125 | | - 66 | 1.001003 | | - 67 | 1.000894 | | - 68 | 1.000797 | | - 69 | 1.000710 | | - 70 | 1.000633 | | - 71 | 1.000564 | | - 72 | 1.000503 | | - 73 | 1.000448 | | - 74 | 1.000399 | | - 75 | 1.000356 | | - 76 | 1.000317 | | - 77 | 1.000283 | | - 78 | 1.000252 | | - 79 | 1.000224 | | - 80 | 1.000200 | | - 81 | 1.000178 | | - 82 | 1.000159 | | - 83 | 1.000142 | | - 84 | 1.000126 | | - 85 | 1.000112 | | - 86 | 1.000100 | | - 87 | 1.000089 | | - 88 | 1.000080 | | - 89 | 1.000071 | | - 90 | 1.000063 | | - 91 | 1.000056 | | - 92 | 1.000050 | | - 93 | 1.000045 | | - 94 | 1.000040 | | - 95 | 1.000036 | | - 96 | 1.000032 | | - 97 | 1.000028 | | - 98 | 1.000025 | | - 99 | 1.000022 | | - 100 | 1.000020 |
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