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Copy pathCURTAIN_QAUD13_18DBI_915.NEC
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CURTAIN_QAUD13_18DBI_915.NEC
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CM CQ13r 13 element Curtain Quad with reflector from W1HBQ
CM Minor tweaks for 2.4Ghz by AE6KS
CM
CE
SY freq=915 'Resonant frequency
SY AH=0 'Antenna height in wavelength
SY W=0.006 'Wire Thickness 0.004 To 0.008
SY WH=0.006 'Horizontal wires thickness 0.006 To 0.02
SY RW=1.7 'Reflector Width 1.7
SY RH=3.4 'Reflector Height 3.4
SY Rx=RW/2, Rnx=4 'Reflector width / 2 , number of wires
SY Ry=RH/2, Rny=20 'Reflector height / 2 , number of wires
SY G=0.088497 'Gap between reflector and elements 0.0885
SY l0=0.160022 'Top and bottom horizontal elements in the center 0.16
SY l1=0.328952 'l1 is the length of the elements next to the center column 0.3290
SY l2=0.419087 'l2 is the length of the outer elements 0.4190
SY h=0.709166 'h is the length of all vertical wires 0.7092
SY y0 = 0.5 * l0
SY y1 = y0 + l1
SY y2 = y1 + l2
SY z0 = 0
SY z1 = h
SY z2 = z1 + h
SY z3 = z2 + h
SM Rnx*2 Rny*2 -G -Rx -Ry -G Rx -Ry 'Reflector
SC 0 0 -G Rx Ry 'Reflector
GW 205 5 0 -y0 z0 0 y0 z0 WH 'Center horizontal
GW 202 3 0 -y0 z2 0 y0 z2 WH 'Center top horizontal
GW 210 3 0 -y0 -z2 0 y0 -z2 WH 'Center bottom horizontal
GW 3 11 0 y1 z2 0 y2 z2 W 'Outer right top horizontal
GW 4 11 0 y0 z1 0 y1 z1 WH 'Inner right top horizontal
GW 7 11 0 y1 z0 0 y2 z0 WH 'Outer right middle horizontal
GW 8 11 0 y0 -z1 0 y1 -z1 WH 'Inner right bottom horizontal
GW 11 11 0 y1 -z2 0 y2 -z2 W 'Outer right bottom horizontal
GW 14 13 0 y0 z2 0 y0 z1 W 'Inner right top vertical
GW 15 13 0 y0 z1 0 y0 z0 W 'Inner right middle top vertical
GW 16 13 0 y0 z0 0 y0 -z1 W 'Inner right middle top vertical
GW 17 13 0 y0 -z1 0 y0 -z2 W 'Inner right middle bottom vertical
GW 20 13 0 y1 z2 0 y1 z1 W 'Outer right bottom vertical
GW 21 13 0 y1 z1 0 y1 z0 W 'Outer right middle top vertical
GW 22 13 0 y1 z0 0 y1 -z1 W 'Outer right middle bottom vertical
GW 23 13 0 y1 -z1 0 y1 -z2 W 'Outer right bottom vertical
GW 103 11 0 -y1 z2 0 -y2 z2 W 'Outer left top horizontal
GW 104 11 0 -y0 z1 0 -y1 z1 WH 'Inner left top horizontal
GW 107 11 0 -y1 z0 0 -y2 z0 WH 'Outer left middle horizontal
GW 108 11 0 -y0 -z1 0 -y1 -z1 WH 'Inner left bottom horizontal
GW 111 11 0 -y1 -z2 0 -y2 -z2 W 'Outer left bottom horizontal
GW 114 13 0 -y0 z2 0 -y0 z1 W 'Inner left top vertical
GW 115 13 0 -y0 z1 0 -y0 z0 W 'Inner left middle top vertical
GW 116 13 0 -y0 z0 0 -y0 -z1 W 'Inner left middle bottom vertical
GW 117 13 0 -y0 -z1 0 -y0 -z2 W 'Inner left bottom vertical
GW 120 13 0 -y1 z2 0 -y1 z1 W 'Outer left top vertical
GW 121 13 0 -y1 z1 0 -y1 z0 W 'Outer left middle top vertical
GW 122 13 0 -y1 z0 0 -y1 -z1 W 'Outer left middle bottom vertical
GW 123 13 0 -y1 -z1 0 -y1 -z2 W 'Outer left bottom vertical
GM 0 0 0 0 0 0 0 AH
GS 0 0 299.8/freq
GE 0
LD 5 0 0 0 58000000
GN -1
EK
EX 0 205 3 0 1 0 0
FR 0 0 0 0 freq 0
EN