by JF1UMK

VSWR Quick Chart

Pf ¨
Pr «
50 75 100 150 200 500 1000 1500 3000 4000 5000
5 1.92 1.70 1.58 1.45 1.38 1.22 1.15 1.12 1.09 1.07 1.07
10 2.62 2.15 1.92 1.70 1.58 1.33 1.22 1.18 1.12 1.11 1.09
15 3.42 2.62 2.26 1.92 1.75 1.42 1.28 1.22 1.15 1.13 1.12
20 4.44 3.14 2.62 2.15 1.92 1.50 1.33 1.26 1.18 1.15 1.14
30 7.87 4.44 3.42 2.62 2.26 1.65 1.42 1.33 1.22 1.19 1.17
50 - 9.90 5.83 3.73 3.0 1.92 1.58 1.45 1.30 1.25 1.22
100 - - - 9.90 5.83 2.62 1.92 1.70 1.45 1.38 1.33
200 - - - - - 4.44 2.62 2.15 1.70 1.58 1.50
300 - - - - - 7.87 3.42 2.62 1.92 1.75 1.65
500 - - - - - - 5.83 3.73 2.38 2.09 1.92



Reflection Power vs. VSWR

Pf ¨
SWR«
50 75 100 150 200 500 1000 1500 3000 4000 5000 10000 ©Pf
SWR«
1.1 0.1 0.2 0.2 0.3 0.5 1.1 2.3 3.4 6.8 9.1 11.3 22.7 1.1
1.2 0.4 0.6 0.8 1.2 1.7 4.1 8.3 12.4 24.8 33.1 41.3 82.6 1.2
1.3 0.9 1.3 1.7 2.6 3.4 8.5 17.0 25.5 51.0 68.1 85.1 170.1 1.3
1.4 1.4 2.1 2.8 4.2 5.6 13.9 27.8 41.7 83.3 111.1 138.9 277.8 1.4
1.5 2.0 3.0 4.0 6.0 8.0 20.0 40.0 60.0 120.0 160.0 200.0 400.0 1.5
1.6 2.7 4.0 5.3 8.0 10.7 26.6 53.3 79.9 159.8 213.0 266.3 532.5 1.6
1.7 3.4 5.0 6.7 10.1 13.4 33.6 67.2 100.8 201.6 268.9 336.1 672.2 1.7
1.8 4.1 6.1 8.2 12.2 16.3 40.8 81.6 122.4 244.9 326.5 408.2 816.3 1.8
1.9 4.8 7.2 9.6 14.4 19.3 48.2 96.3 144.5 288.9 385.3 481.6 963.1 1.9
2.0 5.6 8.3 11.1 16.7 22.2 55.6 111.1 166.7 333.3 444.4 555.6 1111.1 2.0
2.1 6.3 9.4 12.6 18.9 25.2 63.0 125.9 188.9 377.7 503.6 629.6 1259.1 2.1
2.2 7.0 10.5 14.1 21.1 28.1 70.3 140.6 210.9 421.9 562.5 703.1 1406.3 2.2
2.3 7.8 11.6 15.5 23.3 31.0 77.6 155.2 232.8 465.6 620.8 775.9 1551.9 2.3
2.4 8.5 12.7 17.0 25.4 33.9 84.8 169.6 254.3 508.7 678.2 847.8 1695.5 2.4
2.5 9.2 13.8 18.4 27.6 36.7 91.8 183.7 275.5 551.0 734.7 918.4 1836.7 2.5
3.0 12.5 18.8 25.0 37.5 50.0 125.0 250.0 375.0 750.0 1000.0 1250.0 2500.0 3.0