7.040 , 70 , 0 , l , 1000 , 8x , 100 , 2.5 Freq R X i/l Power Line Length Plot res The first file line above sets the defaults to be used in ZIZL. It must always be the first line in the ZIZL.DAT file. When making changes, be sure to preserve exactly 7 commas. The following file lines are used to set the parameters for the various types of transmission lines. Values may be changed as desired, and additional file lines may be added. Be sure to preserve exactly 6 commas in each file line. Transmission line type code '00' is reserved. '00' must be used to mark the beginning of the actual data (as opposed to these comments). All file lines from '00' to the end of the file are considered data. Line type code ('00' is reserved) | Resistive part of line char Zo (reactive part is computed) | | Velocity factor | | | Matched-line loss in dB ... | | | | At this freq in MHz | | | | | Loss interpolation sigma | | | | | | Description | | | | | | | v v v v v v v 00 8x , 52 , .75 , 0.89 , 10 , .528 , RG-8X Foam 8xc , 52 , .78 , 0.88 , 10 , .528 , RG-8X Foam (custom) 58 , 53.5 , .66 , 1.4 , 10 , .578 , RG-58 Solid 58c , 53.5 , .647 , 1.15 , 10 , .578 , RG-58 Solid (custom) 59 , 73 , .66 , 1.2 , 10 , .501 , RG-59 Solid 59f , 75 , .79 , 0.95 , 10 , .501 , RG-59 Foam 174 , 50 , .66 , 3.9 , 10 , .450 , RG-174 Solid 213 , 50 , .66 , 0.65 , 10 , .583 , RG-213 Solid 450 , 450 , .95 , 0.14 , 10 , .450 , 450 Window Ladder Line