Figure 3 CQ45 45 Element Curtain Quad for 1296 MHz

Figure 3 CQ45 45 Element Curtain Quad for 1296 MHz.

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

Figures 3a and 3b. These drawings of CQ45 were created on 4nec2. The dimensions of this antenna can be found in the program listing below.

Figures 3c and 3d. These plots for the CQ45 antenna were created on 4nec2 using the program below.

CM CQ45 45 element Curtain Quad from W1HBQ

CM Error message has no basis. It has something to do with 1500 segments.

CE Change the segment count and the error message goes away.

SY l0 = 0.95

SY l1 = 4.02

SY l = 4.52

SY l2 = l

SY l3 = l

SY l4 = l

SY l5 = 4.00

SY h = 6.00

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 z0 = 0

SY z1 = h

SY z2 = z1 + h

SY z3 = z2 + h

SY z4 = z3 + h

SY z5 = z4 + h

GW 1 11 0 y0 z5 0 y1 z5 0.0404

GW 2 2 0 0 z4 0 y0 z4 0.0404

GW 3 11 0 y1 z4 0 y2 z4 0.0404

GW 4 11 0 y0 z3 0 y1 z3 0.0404

GW 5 11 0 y2 z3 0 y3 z3 0.0404

GW 6 2 0 0 z2 0 y0 z2 0.0404

GW 7 11 0 y1 z2 0 y2 z2 0.0404

GW 8 11 0 y3 z2 0 y4 z2 0.0404

GW 9 11 0 y0 z1 0 y1 z1 0.0404

GW 10 11 0 y2 z1 0 y3 z1 0.0404

GW 11 11 0 y4 z1 0 y5 z1 0.0404

GW 12 2 0 0 z0 0 y0 z0 0.0404

GW 13 11 0 y1 z0 0 y2 z0 0.0404

GW 14 11 0 y3 z0 0 y4 z0 0.0404

GW 15 11 0 y0 -z1 0 y1 -z1 0.0404

GW 16 11 0 y2 -z1 0 y3 -z1 0.0404

GW 17 11 0 y4 -z1 0 y5 -z1 0.0404

GW 18 2 0 0 -z2 0 y0 -z2 0.0404

GW 19 11 0 y1 -z2 0 y2 -z2 0.0404

GW 20 11 0 y3 -z2 0 y4 -z2 0.0404

GW 21 11 0 y0 -z3 0 y1 -z3 0.0404

GW 22 11 0 y2 -z3 0 y3 -z3 0.0404

GW 23 2 0 0 -z4 0 y0 -z4 0.0404

GW 24 11 0 y1 -z4 0 y2 -z4 0.0404

GW 25 11 0 y0 -z5 0 y1 -z5 0.0404

GW 26 13 0 y0 z5 0 y0 z4 0.0404

GW 27 13 0 y0 z4 0 y0 z3 0.0404

GW 28 13 0 y0 z3 0 y0 z2 0.0404

GW 29 13 0 y0 z2 0 y0 z1 0.0404

GW 30 13 0 y0 z1 0 y0 z0 0.0404

GW 31 13 0 y0 z0 0 y0 -z1 0.0404

GW 32 13 0 y0 -z1 0 y0 -z2 0.0404

GW 33 13 0 y0 -z2 0 y0 -z3 0.0404

GW 34 13 0 y0 -z3 0 y0 -z4 0.0404

GW 35 13 0 y0 -z4 0 y0 -z5 0.0404

GW 36 13 0 y1 z5 0 y1 z4 0.0404

GW 37 13 0 y1 z4 0 y1 z3 0.0404

GW 38 13 0 y1 z3 0 y1 z2 0.0404

GW 39 13 0 y1 z2 0 y1 z1 0.0404

GW 40 13 0 y1 z1 0 y1 z0 0.0404

GW 41 13 0 y1 z0 0 y1 -z1 0.0404

GW 42 13 0 y1 -z1 0 y1 -z2 0.0404

GW 43 13 0 y1 -z2 0 y1 -z3 0.0404

GW 44 13 0 y1 -z3 0 y1 -z4 0.0404

GW 45 13 0 y1 -z4 0 y1 -z5 0.0404

GW 46 13 0 y2 z4 0 y2 z3 0.0404

GW 47 13 0 y2 z3 0 y2 z2 0.0404

GW 48 13 0 y2 z2 0 y2 z1 0.0404

GW 49 13 0 y2 z1 0 y2 z0 0.0404

GW 50 13 0 y2 z0 0 y2 -z1 0.0404

GW 51 13 0 y2 -z1 0 y2 -z2 0.0404

GW 52 13 0 y2 -z2 0 y2 -z3 0.0404

GW 53 13 0 y2 -z3 0 y2 -z4 0.0404

GW 54 13 0 y3 z3 0 y3 z2 0.0404

GW 55 13 0 y3 z2 0 y3 z1 0.0404

GW 56 13 0 y3 z1 0 y3 z0 0.0404

GW 57 13 0 y3 z0 0 y3 -z1 0.0404

GW 58 13 0 y3 -z1 0 y3 -z2 0.0404

GW 59 13 0 y3 -z2 0 y3 -z3 0.0404

GW 60 13 0 y4 z2 0 y4 z1 0.0404

GW 61 13 0 y4 z1 0 y4 z0 0.0404

GW 62 13 0 y4 z0 0 y4 -z1 0.0404

GW 63 13 0 y4 -z1 0 y4 -z2 0.0404

GW 64 13 0 y5 z1 0 y5 z0 0.0404

GW 65 13 0 y5 z0 0 y5 -z1 0.0404

GX 100 010

GS 0 0 0.0254

GE 0

LD 5 0 0 0 58000000 0

EX 0 12 1 0 1 0

GN -1

FR 0 1 0 0 1296 0