CM CCD antenna, ant-comp. Vol-2, page 132 CM 26 sections, #14, C=503 pF CE ' SY len = 281.214 ft ' Original length from ant-comp-V2 'SY len = 238.74 ft ' Opt. length to resonate with original cap. ' SY hgh=20 ' Height = 20 meter ' SY ns = 26 ' Number of sections SY n = ns/2 ' sections per half-wl SY n1 = (ns-1)/2 ' sections-1 per half-wl SY sl = len/ns ' Section length ' GW 1 1 -n*sl 0 hgh -n1*sl 0 hgh #14 ' Left end GW 2 ns/2-1 -n1*sl 0 hgh -1/2*sl 0 hgh #14 ' Left loaded wire GW 3 1 -1/2*sl 0 hgh 1/2*sl 0 hgh #14 ' Excitation GW 4 ns/2-1 1/2*sl 0 hgh n1*sl 0 hgh #14 ' Right loaded wire GW 5 1 n1*sl 0 hgh n*sl 0 hgh #14 ' Right end GE 0 ' 'SY cap = 503 pf ' Original capacity from ant-comp-v2. SY cap = 377.82 pf ' Opt. cap. to resonate with original length. ' LD 0 2 0 0 0 0 cap LD 0 4 0 0 0 0 cap ' GN 2 0 0 0 14 0.006 ' Finite ground EX 0 3 1 0 1 0 ' Voltage source on wire 2 FR 0 1 0 0 3.5 ' Frequency 3.5 Kc EN ' ' In compararison with 36dip.nec or 36inv.nec ' this seems not worth the effort.