Untitled

CM Model : R8-CUSHCRAFT - vertical multiband antenna, 6m above ground

CM by YO5OUC - Nicolae Crisan

CM http://www.qrz.com/db/yo5ouc

CM http://qsl.net/yo5ouc

CM Uploaded at April 18'th 2015

CM E-mail: [email protected]

CM Please e-mail me if you have any ideea of improuvements regarding the R8-Cushcraft antenna modeling/simulation

CM Contributors list:

CM Name - Callsign

CM None

SY h=6 'inaltimea antenei fata de pamint (height from the ground)

SY radbaza=1.24 'lungimea radialelor la baza antenei (bottom radials lenght)

SY radmid=0.51 'lungimea radialelor la mijloc (middle radials lenght)

SY radtop=0.46 'lungimea radialelor la virful antenei (top radials lenght)

SY BA=0.634 'lungimea primului tronson de la baza (BA stub)

SY BB=1.829 'T2-stub

SY BC=1.829 'T3-stub

SY BD=0.9 'T4-stub

SY BE=0.35 'T5-stub

SY BF=0.2 'T6-stub

SY BG=0.55 'T7-stub

SY BH=0.61 'T8 (40 m tune)

SY BT1=0.8 'Trap 17/20 m band

SY BT2=0.75 'Trap 30m band

SY h1=3 'inaltime radiale mijloc (not used)

SY h2=7 'inaltime radiale top (not used)

SY f1=18.05e6 'frecventa trap 1 (frequency for trap1)

SY f2=14e6 'frecventa trap 2 (frequency for trap2)

SY L1=1.8e-6 'inductanta trap1 (trap 1 inductance)

SY C1=1/(4*pi^2*f1^2*L1) 'cap trap 1 (C1 capacitance for f1)

SY L2=4e-6 'inductanta trap 2 (inductance for trap2)

SY C2=1/(4*pi^2*f2^2*L2) 'capacitatea trap 2 (capacitance 2 for f2)

SY Q1=600 'factorul de calitate trap 1 (Q factor for BT1)

SY Q2=600 'factorul de calitate trap 2 (Q factor for BT2)

SY SF=1.95 'Stub SF

SY SH=0.65 'Stub SH

SY SG=0.35 'Stub SG

SY METCLAMP=0.09 'Metal clamp for stubs

SY SA=1.35 'Stub SA (52MHz/6m band)

SY SC=1.219 'Stub SC (28,1MHz/10m band)

SY SB=0.43 'Stub SB (52MHz/6 m band)

SY SD=1.13 'Stub SD (28,1MHz/10m band)

SY SE=0.305 'Stub SE

SY BCSTB=0.391 'BC Stub SH

SY SF1=SF+SH 'Stub (21.15MHz/15m band)

SY SF2=SF+SG 'Stub (24.89MHz/12m band)

SY L3=6e-6 'inductanta trap 3 (trap 3 inductance)

SY f3=10e6 'frequency f3 for trap 3

SY C3=1/(4*pi^2*f3^2*L3) 'C3 capacitance for f3

SY Cs=22e-12 'series capacitance load

SY f4=23e6 'frequency f4 for trap 4

SY L4=0.9e-6 'L4 inductance for trap 4

SY C4=1/(4*pi^2*f4^2*L4) 'C4 capacitance at rezonance for trap 4

GW 2 7 0 0 h+BA 0 0 h+BA+BB 0.005 'BB T2

GW 1 3 0 0 h 0 0 h+BA 0.005 'BA T1

GW 9 3 0 0 h+BA+BB+BC+BD+BT1+BE+BT2+BF -radtop 0 h+BA+BB+BC+BD+BT1+BE+BT2+BF 0.005 'radiale top

GW 10 3 0 0 h+BA+BB+BC+BD+BT1+BE+BT2+BF 0 radtop h+BA+BB+BC+BD+BT1+BE+BT2+BF 0.005 'radiale top

GW 11 3 0 0 h+BA+BB+BC+BD+BT1+BE+BT2+BF 0 -radtop h+BA+BB+BC+BD+BT1+BE+BT2+BF 0.005 'radiale top

GW 12 3 0 0 h+BA+BB+BC+BD+BT1+BE+BT2+BF radtop 0 h+BA+BB+BC+BD+BT1+BE+BT2+BF 0.005 'radiale top

GW 13 2 0 0 h+BA+BB 0 0 h+BA+BB+BCSTB 0.005 'BCSTB T3

GW 15 5 0 0 h+BA+BB+BC+BD 0 0 h+BA+BB+BC+BD+BT1 0.005 'BT1

GW 16 3 0 0 h+BA+BB+BC+BD+BT1 0 0 h+BA+BB+BC+BD+BT1+BE 0.005 'BE T5

GW 17 6 0 0 h+BA+BB+BC+BD+BT1+BE 0 0 h+BA+BB+BC+BD+BT1+BE+BT2 0.005 'BT2

GW 18 1 0 0 h+BA+BB+BC+BD+BT1+BE+BT2 0 0 h+BA+BB+BC+BD+BT1+BE+BT2+BF 0.005 'BF T6

GW 19 3 0 0 h+BA+BB+BC+BD+BT1+BE+BT2+BF 0 0 h+BA+BB+BC+BD+BT1+BE+BT2+BF+BG 0.005 'BG T7

GW 20 3 0 0 h+BA+BB+BC+BD+BT1+BE+BT2+BF+BG 0 0 h+BA+BB+BC+BD+BT1+BE+BT2+BF+BG+BH 0.005 'BH T8

GW 3 5 0 0 h radbaza 0 h 0.005 'radiale baza

GW 5 5 0 0 h 0 radbaza h 0.005 'radiale baza

GW 6 5 0 0 h 0 -radbaza h 0.005 'radiale baza

GW 21 5 0 0 h radbaza*cos(45) radbaza*sin(45) h 0.005 'radiale 45 baza

GW 22 5 0 0 h -radbaza*cos(45) radbaza*sin(45) h 0.005 'radiale 45 baza

GW 23 5 0 0 h -radbaza*cos(45) -radbaza*sin(45) h 0.005 'radiale 45 baza

GW 24 5 0 0 h radbaza*cos(45) -radbaza*sin(45) h 0.005 'radiale 45 baza

GW 25 3 0 0 h+BA+BB+BC+BD radmid 0 h+BA+BB+BC+BD 0.005 'radiale mijloc

GW 26 3 0 0 h+BA+BB+BC+BD -radmid 0 h+BA+BB+BC+BD 0.005 'radiale mijloc

GW 27 3 0 0 h+BA+BB+BC+BD 0 radmid h+BA+BB+BC+BD 0.005 'radiale mijloc

GW 28 3 0 0 h+BA+BB+BC+BD 0 -radmid h+BA+BB+BC+BD 0.005 'radiale mijloc

GW 7 10 -METCLAMP*cos(45) -METCLAMP*sin(45) h+BA+BB+BCSTB -METCLAMP*cos(45) -METCLAMP*sin(45) h+BA+BB+SF1+BCSTB 0.005 'SF1

GW 8 7 METCLAMP*cos(45) METCLAMP*sin(45) h+BA+BB+BCSTB METCLAMP*cos(45) METCLAMP*sin(45) h+BA+BB+SF2+BCSTB 0.005 'SF2

GW 4 1 0 0 h+BA+BB METCLAMP*cos(45) -METCLAMP*sin(45) h+BA+BB 0.005 'Metalic clamp bottom pentru SA

GW 29 1 0 0 h+BA+BB -METCLAMP*cos(45) METCLAMP*sin(45) h+BA+BB 0.005 'Metalic clamp bottom pentru SB

GW 30 10 -METCLAMP*cos(45) METCLAMP*sin(45) h+BA+BB -METCLAMP*cos(45) METCLAMP*sin(45) h+BA+BB+SC+SD 0.005 'SC+SD

GW 32 6 METCLAMP*cos(45) -METCLAMP*sin(45) h+BA+BB METCLAMP*cos(45) -METCLAMP*sin(45) h+BA+BB+SA+SB 0.005 'SA+SB

GW 36 1 0 0 h+BA+BB+BCSTB METCLAMP*cos(45) METCLAMP*sin(45) h+BA+BB+BCSTB 0.005 'Metalic clamp bottom pentru SF2

GW 37 1 0 0 h+BA+BB+BCSTB -METCLAMP*cos(45) -METCLAMP*sin(45) h+BA+BB+BCSTB 0.005 'Metalic clamp bottom pentru SF1

GW 38 9 0 0 h+BA+BB+BCSTB 0 0 h+BA+BB+BCSTB+(BC-BCSTB)+BD 0.005 'BC-BCSTB

GE 1

LD 6 15 1 2 Q1 L4 C4 'Trap 1 - BT1 21MHz

LD 6 17 1 1 Q2 L2 C2 'Trap 2 - BT2 14MHz

LD 0 1 2 2 1 0 Cs 'Cs

LD 6 17 6 6 Q2 L3 C3 'Trap 3 - BT2 10MHz

LD 6 15 2 2 Q1 L1 C1 'Trap 4 - BT1 18MHz

GN 2 0 0 0 3 0.0001

EX 0 1 1 0 1 0 0

FR 0 0 0 0 7 0