SL FD Resonance - Stock Over Ground 95.900 MHz 4 6061-T6 wires, inches len = 27.75 sp = 1.824 nsp = -1.46 h = 360 ; Height = 30 ft h2 = nsp + h h3 = sp + h dia = .392 ; 25/64" dia = .392 1 0 -len h2 0 len h2 dia 1 0 -len h3 0 len h3 dia 1 0 -len h3 0 -len h2 dia 1 0 len h3 0 len h2 dia 1 source Wire 1, center The SL FD dimensions were gained by actual measurements. All dimensions are "C/L" . . Freq = varies Length = 57.75" = 27.75" half length Upper Height = 1.824" Lower Heigth = -1.46" AO results for "stock length" of SL FD: FS = 95.4Mhz : OG = 95.9Mhz if length is kept "stock": Note that the resonace is chosen to be where the reactance = j 0 +/- 3