Figure 8 CQ21r1 21 Element Curtain Quad withreflector same as the driven array

Figure 8 CQ21r1 21 Element Curtain Quad for 1296 MHz reflector same as the driven array.

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

Figures 8a and 8b. These drawings of CQ21r1 were created by 4nec2. The dimensions of this antenna can be found in the program listing below.

Figures 8c and 8d. These plots for the CQ21r1 antenna were created in 4nec2 using the program below.

CE CQ21r1 21 element Curtain Quad with reflector the same as the driven array from W1HBQ

SY l0=1.08

SY l1=3.75

SY l2=4.50

SY l3=4.00

SY h=6.08

SY y0 = .5 * l0

SY y1 = y0 + l1

SY y2 = y1 + l2

SY y3 = y2 + l3

SY z0=0

SY z1 = h

SY z2 = z1 + h

SY z3 = z2 + h

SY ref = -2.5

GW 1 11 0 y0 z3 0 y1 z3 0.0404

GW 2 2 0 0 z2 0 y0 z2 0.0404

GW 3 11 0 y1 z2 0 y2 z2 0.0404

GW 4 11 0 y0 z1 0 y1 z1 0.0404

GW 5 11 0 y2 z1 0 y3 z1 0.0404

GW 6 2 0 0 z0 0 y0 z0 0.0404

GW 7 11 0 y1 z0 0 y2 z0 0.0404

GW 8 11 0 y0 -z1 0 y1 -z1 0.0404

GW 9 11 0 y2 -z1 0 y3 -z1 0.0404

GW 10 2 0 0 -z2 0 y0 -z2 0.0404

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

GW 12 11 0 y0 -z3 0 y1 -z3 0.0404

GW 13 13 0 y0 z3 0 y0 z2 0.0404

GW 14 13 0 y0 z2 0 y0 z1 0.0404

GW 15 13 0 y0 z1 0 y0 z0 0.0404

GW 16 13 0 y0 z0 0 y0 -z1 0.0404

GW 17 13 0 y0 -z1 0 y0 -z2 0.0404

GW 18 13 0 y0 -z2 0 y0 -z3 0.0404

GW 19 13 0 y1 z3 0 y1 z2 0.0404

GW 20 13 0 y1 z2 0 y1 z1 0.0404

GW 21 13 0 y1 z1 0 y1 z0 0.0404

GW 22 13 0 y1 z0 0 y1 -z1 0.0404

GW 23 13 0 y1 -z1 0 y1 -z2 0.0404

GW 24 13 0 y1 -z2 0 y1 -z3 0.0404

GW 25 13 0 y2 z2 0 y2 z1 0.0404

GW 26 13 0 y2 z1 0 y2 z0 0.0404

GW 27 13 0 y2 z0 0 y2 -z1 0.0404

GW 28 13 0 y2 -z1 0 y2 -z2 0.0404

GW 29 13 0 y3 z1 0 y3 z0 0.0404

GW 30 13 0 y3 z0 0 y3 -z1 0.0404

GW 201 11 ref y0 z3 ref y1 z3 0.0404

GW 202 2 ref 0 z2 ref y0 z2 0.0404

GW 203 11 ref y1 z2 ref y2 z2 0.0404

GW 204 11 ref y0 z1 ref y1 z1 0.0404

GW 205 11 ref y2 z1 ref y3 z1 0.0404

GW 206 2 ref 0 z0 ref y0 z0 0.0404

GW 207 11 ref y1 z0 ref y2 z0 0.0404

GW 208 11 ref y0 -z1 ref y1 -z1 0.0404

GW 209 11 ref y2 -z1 ref y3 -z1 0.0404

GW 210 2 ref 0 -z2 ref y0 -z2 0.0404

GW 211 11 ref y1 -z2 ref y2 -z2 0.0404

GW 212 11 ref y0 -z3 ref y1 -z3 0.0404

GW 213 13 ref y0 z3 ref y0 z2 0.0404

GW 214 13 ref y0 z2 ref y0 z1 0.0404

GW 215 13 ref y0 z1 ref y0 z0 0.0404

GW 216 13 ref y0 z0 ref y0 -z1 0.0404

GW 217 13 ref y0 -z1 ref y0 -z2 0.0404

GW 218 13 ref y0 -z2 ref y0 -z3 0.0404

GW 219 13 ref y1 z3 ref y1 z2 0.0404

GW 220 13 ref y1 z2 ref y1 z1 0.0404

GW 221 13 ref y1 z1 ref y1 z0 0.0404

GW 222 13 ref y1 z0 ref y1 -z1 0.0404

GW 223 13 ref y1 -z1 ref y1 -z2 0.0404

GW 224 13 ref y1 -z2 ref y1 -z3 0.0404

GW 225 13 ref y2 z2 ref y2 z1 0.0404

GW 226 13 ref y2 z1 ref y2 z0 0.0404

GW 227 13 ref y2 z0 ref y2 -z1 0.0404

GW 228 13 ref y2 -z1 ref y2 -z2 0.0404

GW 229 13 ref y3 z1 ref y3 z0 0.0404

GW 230 13 ref y3 z0 ref y3 -z1 0.0404

GX 100 010

GS 0 0 0.0254

GE 0

LD 5 0 0 0 58000000 0

EX 0 6 1 0 1 0

GN -1

FR 0 1 0 0 1296 0