Figure 4 CQ77 77 Element Curtain Quad for 1296 MHz

Figure 4 CQ77 77 Element Curtain Quad for 1296 MHz.

Back to The Curtain Quad http://home.comcast.net/~ross_anderson/CurtainQuad.htm

Figures 4a and 4b. These drawings of CQ77 were created with 4nec2. The dimensions of this antenna can be found in the program listing below.

Figures 4c and 4d. These plots for the CQ77 antenna were created with 4nec2 using the program below.

CE CQ77 77 element Curtain Quad from W1HBQ

SY l0=0.985197

SY l1=4.114969

SY l=4.521819

SY l2 = l

SY l3 = l

SY l4 = l

SY l5 = l

SY l6 = l

SY l7=4.062923

SY h=5.9067

SY y0 = .5 * l0

SY y1 = y0 + l1

SY y2 = y1 + l2

SY y3 = y2 + l3

SY y4 = y3 + l4

SY y5 = y4 + l5

SY y6 = y5 + l6

SY y7 = y6 + l7

SY z0 = 0

SY z1 = h

SY z2 = z1 + h

SY z3 = z2 + h

SY z4 = z3 + h

SY z5 = z4 + h

SY z6 = z5 + h

SY z7 = z6 + h

GW 1 11 0 y0 z7 0 y1 z7 0.0404

GW 2 2 0 0 z6 0 y0 z6 0.0404

GW 3 11 0 y1 z6 0 y2 z6 0.0404

GW 4 11 0 y0 z5 0 y1 z5 0.0404

GW 5 11 0 y2 z5 0 y3 z5 0.0404

GW 6 2 0 0 z4 0 y0 z4 0.0404

GW 7 11 0 y1 z4 0 y2 z4 0.0404

GW 8 11 0 y3 z4 0 y4 z4 0.0404

GW 9 11 0 y0 z3 0 y1 z3 0.0404

GW 10 11 0 y2 z3 0 y3 z3 0.0404

GW 11 11 0 y4 z3 0 y5 z3 0.0404

GW 12 2 0 0 z2 0 y0 z2 0.0404

GW 13 11 0 y1 z2 0 y2 z2 0.0404

GW 14 11 0 y3 z2 0 y4 z2 0.0404

GW 15 11 0 y5 z2 0 y6 z2 0.0404

GW 16 11 0 y0 z1 0 y1 z1 0.0404

GW 17 11 0 y2 z1 0 y3 z1 0.0404

GW 18 11 0 y4 z1 0 y5 z1 0.0404

GW 19 11 0 y6 z1 0 y7 z1 0.0404

GW 20 2 0 0 z0 0 y0 z0 0.0404

GW 21 11 0 y1 z0 0 y2 z0 0.0404

GW 22 11 0 y3 z0 0 y4 z0 0.0404

GW 23 11 0 y5 z0 0 y6 z0 0.0404

GW 24 11 0 y0 -z1 0 y1 -z1 0.0404

GW 25 11 0 y2 -z1 0 y3 -z1 0.0404

GW 26 11 0 y4 -z1 0 y5 -z1 0.0404

GW 27 11 0 y6 -z1 0 y7 -z1 0.0404

GW 28 2 0 0 -z2 0 y0 -z2 0.0404

GW 29 11 0 y1 -z2 0 y2 -z2 0.0404

GW 30 11 0 y3 -z2 0 y4 -z2 0.0404

GW 31 11 0 y5 -z2 0 y6 -z2 0.0404

GW 32 11 0 y0 -z3 0 y1 -z3 0.0404

GW 33 11 0 y2 -z3 0 y3 -z3 0.0404

GW 34 11 0 y4 -z3 0 y5 -z3 0.0404

GW 35 2 0 0 -z4 0 y0 -z4 0.0404

GW 36 11 0 y1 -z4 0 y2 -z4 0.0404

GW 37 11 0 y3 -z4 0 y4 -z4 0.0404

GW 38 11 0 y0 -z5 0 y1 -z5 0.0404

GW 39 11 0 y2 -z5 0 y3 -z5 0.0404

GW 40 2 0 0 -z6 0 y0 -z6 0.0404

GW 41 11 0 y1 -z6 0 y2 -z6 0.0404

GW 42 11 0 y0 -z7 0 y1 -z7 0.0404

GW 43 13 0 y0 z7 0 y0 z6 0.0404

GW 44 13 0 y0 z6 0 y0 z5 0.0404

GW 45 13 0 y0 z5 0 y0 z4 0.0404

GW 46 13 0 y0 z4 0 y0 z3 0.0404

GW 47 13 0 y0 z3 0 y0 z2 0.0404

GW 48 13 0 y0 z2 0 y0 z1 0.0404

GW 49 13 0 y0 z1 0 y0 z0 0.0404

GW 50 13 0 y0 z0 0 y0 -z1 0.0404

GW 51 13 0 y0 -z1 0 y0 -z2 0.0404

GW 52 13 0 y0 -z2 0 y0 -z3 0.0404

GW 53 13 0 y0 -z3 0 y0 -z4 0.0404

GW 54 13 0 y0 -z4 0 y0 -z5 0.0404

GW 55 13 0 y0 -z5 0 y0 -z6 0.0404

GW 56 13 0 y0 -z6 0 y0 -z7 0.0404

GW 57 13 0 y1 z7 0 y1 z6 0.0404

GW 58 13 0 y1 z6 0 y1 z5 0.0404

GW 59 13 0 y1 z5 0 y1 z4 0.0404

GW 60 13 0 y1 z4 0 y1 z3 0.0404

GW 61 13 0 y1 z3 0 y1 z2 0.0404

GW 62 13 0 y1 z2 0 y1 z1 0.0404

GW 63 13 0 y1 z1 0 y1 z0 0.0404

GW 64 13 0 y1 z0 0 y1 -z1 0.0404

GW 65 13 0 y1 -z1 0 y1 -z2 0.0404

GW 66 13 0 y1 -z2 0 y1 -z3 0.0404

GW 67 13 0 y1 -z3 0 y1 -z4 0.0404

GW 68 13 0 y1 -z4 0 y1 -z5 0.0404

GW 69 13 0 y1 -z5 0 y1 -z6 0.0404

GW 70 13 0 y1 -z6 0 y1 -z7 0.0404

GW 71 13 0 y2 z6 0 y2 z5 0.0404

GW 72 13 0 y2 z5 0 y2 z4 0.0404

GW 73 13 0 y2 z4 0 y2 z3 0.0404

GW 74 13 0 y2 z3 0 y2 z2 0.0404

GW 75 13 0 y2 z2 0 y2 z1 0.0404

GW 76 13 0 y2 z1 0 y2 z0 0.0404

GW 77 13 0 y2 z0 0 y2 -z1 0.0404

GW 78 13 0 y2 -z1 0 y2 -z2 0.0404

GW 79 13 0 y2 -z2 0 y2 -z3 0.0404

GW 80 13 0 y2 -z3 0 y2 -z4 0.0404

GW 81 13 0 y2 -z4 0 y2 -z5 0.0404

GW 82 13 0 y2 -z5 0 y2 -z6 0.0404

GW 83 13 0 y3 z5 0 y3 z4 0.0404

GW 84 13 0 y3 z4 0 y3 z3 0.0404

GW 85 13 0 y3 z3 0 y3 z2 0.0404

GW 86 13 0 y3 z2 0 y3 z1 0.0404

GW 87 13 0 y3 z1 0 y3 z0 0.0404

GW 88 13 0 y3 z0 0 y3 -z1 0.0404

GW 89 13 0 y3 -z1 0 y3 -z2 0.0404

GW 90 13 0 y3 -z2 0 y3 -z3 0.0404

GW 91 13 0 y3 -z3 0 y3 -z4 0.0404

GW 92 13 0 y3 -z4 0 y3 -z5 0.0404

GW 93 13 0 y4 z4 0 y4 z3 0.0404

GW 94 13 0 y4 z3 0 y4 z2 0.0404

GW 95 13 0 y4 z2 0 y4 z1 0.0404

GW 96 13 0 y4 z1 0 y4 z0 0.0404

GW 97 13 0 y4 z0 0 y4 -z1 0.0404

GW 98 13 0 y4 -z1 0 y4 -z2 0.0404

GW 99 13 0 y4 -z2 0 y4 -z3 0.0404

GW 100 13 0 y4 -z3 0 y4 -z4 0.0404

GW 101 13 0 y5 z3 0 y5 z2 0.0404

GW 102 13 0 y5 z2 0 y5 z1 0.0404

GW 103 13 0 y5 z1 0 y5 z0 0.0404

GW 104 13 0 y5 z0 0 y5 -z1 0.0404

GW 105 13 0 y5 -z1 0 y5 -z2 0.0404

GW 106 13 0 y5 -z2 0 y5 -z3 0.0404

GW 107 13 0 y6 z2 0 y6 z1 0.0404

GW 108 13 0 y6 z1 0 y6 z0 0.0404

GW 109 13 0 y6 z0 0 y6 -z1 0.0404

GW 110 13 0 y6 -z1 0 y6 -z2 0.0404

GW 111 13 0 y7 z1 0 y7 z0 0.0404

GW 112 13 0 y7 z0 0 y7 -z1 0.0404

GX 200 010

GS 0 0 0.0254

GE 0

LD 5 0 0 0 58000000 0

EX 0 20 1 0 1 0

GN -1

FR 0 1 0 0 1296 0