Here is a link to a chart used for calculating wire gauge, current and wire length. Good reference to keep in the shack! https://www.dropbox.com/s/sbs651puccpxp5j/USCG%20ChrisFix%20Wiring%20Chart.jpg?dl=0 Tom Tom Alessi Tom at K1TA.com | www.K1TA.com C: (203) 253-7745 | O: (914) 231-1691 | F: (914) 813-4091 *"CW Forever !"* Look for me on 20m, 30m or 40m CW