Owen Duffy wrote in
:

PS: The quoted output from TLLC is somewhat hard to read due to the
Greek characters and some other symbols not copying to plain text.

I have added a 'No symbols in output' checkbox to the TLLC input form to
allow selection of a more ASCII friendly output format.

Using that switch on Scotts problem yields:

RF Transmission Line Loss Calculator / Enhanced
Parameters
Transmission Line Belden 9204 (RG-59/U)
Code B9204
Data source Belden
Frequency 3.800 MHz
Length 0.250 wavelengths
Zload 54.00+j0.00 ohms
Yload 0.018519+j0.000000 ohms
Results
Zo 75.01-j1.45 ohms
Velocity Factor 0.660
Length 90.00 deg, 0.250 wl, 13.024 m
Line Loss (matched) 0.269 dB
Line Loss 0.279 dB
Efficiency 93.77%
Zin 102.10-j3.81 ohms
Yin 0.009780+j0.000365 ohms
Gamma, rhotheta, RL, VSWR (source end) 1.53e-1-j8.82e-3, 0.153-3.3
deg, 16.3dB, 1.36
Gamma, rhotheta, RL, VSWR (load end) -1.63e-1+j9.38e-3, 0.163176.7
deg, 15.7dB, 1.39
gamma 1.24e-1+j6.28e+0
k1, k2 5.46e-4, 3.06e-9
Loss model source data frequency range 10.000 MHz - 1000.000 MHz
Correlation coefficient (r) 0.999661