CM HRS 4/4/1.0 curtain array used by Nozema at Zeewolde CM for broadcasting of Radio Netherlands (RNW). CM TL lengths set for 30 degree slew angle. CM GX card used to improve calculation time. CM Arie. CE ' SY Freq=15,WL=299.8/Freq SY Rows=4,Cols=4,Hmin=WL ' HRS 4/4/1.0 SY Hdel=0.5,Hdlt=Hdel*WL ' Vertical distance between dipoles SY Dlen=WL/2,Dofs=0.5 ' Horizontal distance between dipole ends ' 'GW 101 11 0 0 0 Dlen 0 0 0.2 ' Single wire Dipole SY a=dlen/40, b=dlen/2 GW 101 1 b-a/2 0 0 b+a/2 0 0 1e-3 ' Cage dipole ' GW 102 5 0 0 a b-2*a 0 a 1e-3 GW 103 1 b-2*a 0 a b-a/2 0 0 1e-3 GW 104 1 b+a/2 0 0 b+2*a 0 a 1e-3 GW 105 5 b+2*a 0 a dlen 0 a 1e-3 GM 104 5 60 0 0 0 0 0 102 ' GM 0 0 0 0 0 dofs 0 Hmin 0 GM 50 Rows-1 0 0 0 0 0 Hdlt 0 ' Rows GM 200 Cols/2-1 0 0 0 Dlen+3*Dofs 0 0 0 ' Cols/2 ' SY Rcnt = 40 ' Nr of Reflector wires SY Rdis=-0.25,Rdst=Rdis*WL ' Distance from dipoles SY Rxtra=0.137,Rwdx=Rxtra*WL, Rhgx=WL/5 ' eXtra width and height for reflector SY Rwdt=Cols/2*Dlen+(Cols-1)*Dofs+Rwdx ' Get total reflector width SY Rmin=Hmin-Rhgx,Rmax=Hmin+(Rows-1)*Hdlt+Rhgx ' Get reflector min and max height SY Rdlt=(Rmax-Rmin)/(Rcnt-1) GW 1000 15 0 Rdst Rmin Rwdt Rdst Rmin .005 ' Reflector wire GM 1 Rcnt-1 0 0 0 0 0 Rdlt 1000 ' Create more wires 'GW 80 10 Rwdt Rdst 0 Rwdt Rdst Rmin 0.2 ' Masts 'GW 81 rcnt-1 Rwdt Rdst Rmin Rwdt Rdst Rmax 0.2 GW 3 1 16.6 0.0 5.9 17.4 0.0 5.1 0.001 GW 4 1 5.1 0.0 5.9 5.9 0.0 5.1 0.001 GW 5 1 0.0 0.0 5.9 0.5 0.0 5.1 0.001 CM Length L in mtr. = 52 ' Tower created with build.exe CM Radius R1 in cm. = 200, R2 in cm. = 100 CM Start angle A1 = 0, Stop angle A2 = 360 CM Straight sections = 3, Circular sections = 4, Radial sections = 1 SY rt=.1 ' Radius towerlegs GW 2500 9 2.0 .0 3.0 1.667 .0 20.333 rt GW 2501 9 1.667 .0 20.333 1.333 .0 37.667 rt GW 2502 9 1.333 .0 37.667 1.0 .0 55.0 rt GW 2503 9 .0 2.0 3.0 .0 1.667 20.333 rt GW 2504 9 .0 1.667 20.333 .0 1.333 37.667 rt GW 2505 9 .0 1.333 37.667 .0 1.0 55.0 rt GW 2506 9 -2.0 .0 3.0 -1.667 .0 20.333 rt GW 2507 9 -1.667 .0 20.333 -1.333 .0 37.667 rt GW 2508 9 -1.333 .0 37.667 -1.0 .0 55.0 rt GW 2509 9 .0 -2.0 3.0 .0 -1.667 20.333 rt GW 2510 9 .0 -1.667 20.333 .0 -1.333 37.667 rt GW 2511 9 .0 -1.333 37.667 .0 -1.0 55.0 rt GW 2512 3 2.0 .0 3.0 .0 2.0 3.0 rt GW 2513 3 .0 2.0 3.0 -2.0 .0 3.0 rt GW 2514 3 -2.0 .0 3.0 .0 -2.0 3.0 rt GW 2515 3 .0 -2.0 3.0 2.0 .0 3.0 rt GW 2516 3 1.667 .0 20.333 .0 1.667 20.333 rt GW 2517 3 .0 1.667 20.333 -1.667 .0 20.333 rt GW 2518 3 -1.667 .0 20.333 .0 -1.667 20.333 rt GW 2519 3 .0 -1.667 20.333 1.667 .0 20.333 rt GW 2520 3 1.333 .0 37.667 .0 1.333 37.667 rt GW 2521 3 .0 1.333 37.667 -1.333 .0 37.667 rt GW 2522 3 -1.333 .0 37.667 .0 -1.333 37.667 rt GW 2523 3 .0 -1.333 37.667 1.333 .0 37.667 rt GW 2524 1 1.0 .0 55.0 .0 1.0 55.0 rt GW 2525 1 .0 1.0 55.0 -1.0 .0 55.0 rt GW 2526 1 -1.0 .0 55.0 .0 -1.0 55.0 rt GW 2527 1 .0 -1.0 55.0 1.0 0.0 55.0 rt GW 2528 2 2.0 0.0 3.0 2.0 0.0 0.0 rt GW 2539 2 0.0 2.0 3.0 0.0 2.0 0.0 rt GW 2530 2 -2.0 0.0 3.0 -2.0 0.0 0.0 rt GW 2531 2 0.0 -2.0 3.0 0.0 -2.0 0.0 rt GM 0 0 0 0 0 1.15*Rwdt Rdst/2 0 2500 ' Shift tower to the left GX 500 100 GE 1 LD 5 0 0 0 5.8e7 EK 'SY sg=6 ' For single wire dipoles SY sg=1 ' For cage dipoles TL 451 sg 401 sg -50 10 TL 351 sg 301 sg -50 10 TL 251 sg 201 sg -50 10 TL 151 sg 101 sg -50 10 TL 401 sg 351 sg -50 10 TL 201 sg 151 sg -50 10 TL 951 sg 901 sg -50 10 TL 851 sg 801 sg -50 10 TL 751 sg 701 sg -50 10 TL 651 sg 601 sg -50 10 TL 901 sg 851 sg -50 10 TL 701 sg 651 sg -50 10 TL 801 sg 503 1 50 0 TL 601 sg 504 1 50 0 TL 301 sg 3 1 50 0 TL 101 sg 4 1 50 0 SY dl1 = 16.41526 '14.04387 TL 3 1 4 1 -50 dl1 SY dl2 = 12.84743 '10.25553 TL 4 1 5 1 50 dl2 SY dl3 = 5.890505 '7.874958 TL 503 1 504 1 -50 dl3 SY dl4 = 8.420255 '8.725447 TL 504 1 505 1 50 dl4 EX 0 5 1 00 1 0 EX 0 505 1 00 -1 0 GN 2 0 0 0 13 0.005 FR 0 1 0 0 Freq EN