Feeder type RG58  
Matched loss 0.045 dB/m
at 10 MHz
Frequency 1.8 3.5 7 10 14 21 29 MHz
Length 2.5 metres
Matched loss 0.045 0.064 0.093 0.113 0.135 0.168 0.200 dB
a = 10^(ML/10) 1.010 1.015 1.022 1.026 1.032 1.039 1.047
SWR |rho|
1 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000
1.5 0.200 0.004 0.005 0.008 0.009 0.011 0.013 0.016
2 0.333 0.011 0.016 0.023 0.027 0.033 0.040 0.047
5 0.667 0.070 0.099 0.143 0.172 0.204 0.251 0.295
10 0.818 0.175 0.248 0.353 0.423 0.500 0.610 0.712
20 0.905 0.381 0.533 0.751 0.891 1.044 1.258 1.452
50 0.961 0.948 1.296 1.767 2.058 2.363 2.773 3.130
100 0.980 1.754 2.329 3.064 3.497 3.938 4.508 4.990
Length 5 metres
Matched loss 0.089 0.128 0.186 0.225 0.270 0.336 0.400 dB
a = 10^(ML/10) 1.020735 1.029826 1.043658 1.05317 1.064102 1.080408 1.096436
SWR |rho|
1 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000
1.5 0.200 0.007 0.010 0.015 0.018 0.021 0.026 0.030
2 0.333 0.022 0.031 0.044 0.053 0.063 0.077 0.090
5 0.667 0.138 0.194 0.276 0.329 0.388 0.471 0.548
10 0.818 0.340 0.475 0.667 0.789 0.922 1.107 1.273
20 0.905 0.724 0.995 1.366 1.596 1.839 2.166 2.452
50 0.961 1.711 2.267 2.974 3.388 3.807 4.346 4.798
100 0.980 2.978 3.800 4.781 5.330 5.869 6.543 7.093
Length 10 metres
Matched loss 0.178 0.255 0.371 0.450 0.540 0.672 0.800 dB
a = 10^(ML/10) 1.0419 1.060541 1.089222 1.10917 1.132312 1.167281 1.202171
SWR |rho|
1 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000
1.5 0.200 0.014 0.020 0.028 0.034 0.040 0.048 0.055
2 0.333 0.043 0.060 0.084 0.100 0.118 0.142 0.164
5 0.667 0.266 0.369 0.514 0.606 0.704 0.838 0.957
10 0.818 0.643 0.880 1.200 1.396 1.600 1.872 2.105
20 0.905 1.321 1.762 2.327 2.659 2.995 3.426 3.784
50 0.961 2.892 3.676 4.603 5.115 5.613 6.227 6.719
100 0.980 4.670 5.703 6.857 7.471 8.056 8.762 9.319
Length 30 metres
Matched loss 0.535 0.766 1.113 1.350 1.619 2.015 2.399 dB
a = 10^(ML/10) 1.131042 1.192841 1.292258 1.36458 1.451772 1.590474 1.737397
SWR Rho
1 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000
1.5 0.200 0.039 0.053 0.072 0.083 0.094 0.108 0.119
2 0.333 0.117 0.158 0.212 0.244 0.276 0.316 0.349
5 0.667 0.699 0.926 1.209 1.368 1.524 1.714 1.861
10 0.818 1.590 2.046 2.582 2.872 3.148 3.472 3.718
20 0.905 2.978 3.694 4.488 4.898 5.278 5.715 6.040
50 0.961 5.588 6.597 7.646 8.168 8.639 9.169 9.556
100 0.980 8.027 9.181 10.346 10.915 11.423 11.991 12.402