CM Masters Superturnstile Element, by K6STI CE SY D = .0035 ' .005 GW 1 5 0 .04 .325 0 .27 .325 D GW 2 5 0 .04 .217 0 .222 .217 D GW 3 3 0 .04 .108 0 .173 .108 D GW 4 3 0 .04 0 0 .125 0 D GW 5 3 0 .04 -.108 0 .173 -.108 D GW 6 5 0 .04 -.217 0 .222 -.217 D GW 7 5 0 .04 -.325 0 .27 -.325 D GW 8 3 0 .04 .325 0 .04 .217 D GW 9 3 0 .04 .217 0 .04 .108 D GW 10 3 0 .04 .108 0 .04 0 D GW 11 3 0 .04 0 0 .04 -.108 D GW 12 3 0 .04 -.108 0 .04 -.217 D GW 13 3 0 .04 -.217 0 .04 -.325 D GW 14 3 0 .27 .325 0 .222 .217 D GW 15 3 0 .222 .217 0 .173 .108 D GW 16 3 0 .173 .108 0 .125 0 D GW 17 3 0 .125 0 0 .173 -.108 D GW 18 3 0 .173 -.108 0 .222 -.217 D GW 19 3 0 .222 -.217 0 .27 -.325 D GW 20 1 0 .04 .325 0 0 .325 D GW 21 1 0 .04 -.325 0 0 -.325 D GW 22 1 0 .04 0 0 0 0 D GX 30 010 ' Add when needed. GE 0 EX 0 22 1 00 1.0 0.0 EX 0 52 1 00 -1.0 0.0 ' GN -1 FR 0 1 0 0 299.8 EN 'This is one element of a wide-bandwidth, omnidirectional, horizontally polarized 'array called a Masters superturnstile (or batwing). Two of these elements are 'placed at right angles and phased 90 degrees. Several such bays are stacked for 'increased gain. Batwing antennas are widely used for TV transmission. For more 'information, see "Antennas" by John Kraus, 2nd ed., pp 729-731.