OPTIMAL STACKING 75% STACKING
1 Ant Spacing 4 Ant 2E ant 2H ant Spacing 4 Ant 2E ant 2H ant < H Plane         > KF2YN
TYPE OF L GAIN E H Gain Gain Gain E H Gain Gain Gain F/R 1st SL 2nd SL Z VSWR       Feed  Convergence
ANTENNA λ (dBd) (M) (M) (dBd) (dBd) (dBd (M) (M) (dBd) (dBd) (dBd) (dB) (dB) (dB) (ohms) Band Width     System Correction Req.
G0KSC 2 LFA-Q 0.07 5.34 5.30 3.715 11.72 8.22 8.52 3.975 2.79 10.08 7.63 7.59 9.1 none none 28.1 1.39:1 LFA Vert Loop Yes
InnoV 2 LFA-Q 0.07 4.65 5.26 3.36 11.21 7.71 7.98 3.95 2.52 9.71 7.18 7.14 6.5 none none 48.9 1.20:1 LFA Vert Loop Yes
InnoV 2 LFA 0.14 4.40 5.17 3.22 11.05 7.46 7.79 3.88 2.42 9.47 6.93 6.90 6.2 none none 50.1 1.21:1 LFA Loop
InnoV  3 OWL G/T 0.21 5.52 5.29 3.67 11.87 8.48 8.78 3.87 2.75 10.28 8.00 8.00 9.3 none none 50.5 1.22:1 Dipole No
G0KSC 3el-Q 0.28 6.46 5.83 4.26 12.76 9.50 9.68 4.37 3.20 11.60 9.50 9.04 13.9 none none 48.8 1.20:1 LFA Vert Loop Yes
Cushcraft A50-3S 0.29 5.26 5.55 3.84 9.49 8.32 6.46 4.16 2.87 8.69 7.84 6.21 9.0 40.0 1.10:1
YU7EF 3 0.30 5.03 5.43 3.44 11.49 7.98 8.30 4.07 2.58 10.19 7.52 7.61 7.6 none none 50.2 1.04:1 Dipole No
DK7ZB 3 28 ohm 0.31 5.74 5.64 3.82 10.00 8.76 7.05 4.23 2.86 9.32 8.34 6.90 10.9 28.6 1.11:1 Dipole No
DK7ZB 3 12.5 ohm 0.31 6.34 5.94 4.11 12.52 9.35 9.45 4.46 3.08 11.47 8.95 8.87 13.7 13.1 1.29:1 Dipole No
Moxon GW3YDX 0.31 6.67 5.66 4.48 12.88 9.68 9.79 4.24 3.36 11.57 9.17 9.06 16.6 none none 50.0 1.34:1 Bent Dipole No
InnoV 3 LFA-Q 0.32 7.39 6.17 4.96 13.56 10.43 10.52 4.63 3.72 12.49 9.94 9.95 18.2 none none 27.9 1.36:1 LFA Vert Loop Yes
G0KSC 3 1.94m LFA 0.32 6.32 5.87 4.03 12.53 9.34 9.47 4.40 3.02 11.42 8.91 8.88 13.6 none none 49.0 1.15:1 LFA Loop
EAntenna 50LFA3 0.32 6.50 5.43 4.11 12.65 9.45 9.66 4.07 3.08 11.38 8.92 9.05 14.3 none none 49.0 1.23:1 LFA Loop Yes
M² 6M3 0.34 6.36 5.98 4.24 12.61 9.38 9.52 4.49 3.18 11.55 8.95 8.98 13.1 none none 17.7 1.26:1
DK7ZB 4 28 ohm 0.36 6.26 5.84 4.06 11.88 9.27 9.39 4.38 3.04 11.36 8.83 8.82 13.5 28.6 1.02:1 Dipole No
YU7EF 4 0.39 6.62 5.94 4.23 12.74 9.62 9.68 4.58 3.17 11.68 9.17 9.15 15.5 50.0 1.05:1 Dipole No
DK7ZB 3 28 ohm 0.42 6.62 5.91 4.20 12.59 9.59 9.56 4.43 3.15 11.64 9.15 9.12 15.0 27.7 1.14:1 Dipole No
InnoV 5 OP-DES 0.44 7.04 6.00 4.32 13.20 10.04 10.15 4.50 3.24 11.97 9.56 9.49 21.1 none none 50.7 1.04:1 Bent Dipole No
G0KSC 3 Quad 0.45 7.18 5.71 4.98 13.32 10.21 10.26 4.28 3.74 12.17 9.67 9.70 22.9 none none 51.1 1.26:1 Quad No
InnoV 4 LFA 2.8m 0.47 7.06 6.13 4.41 13.17 10.05 10.12 4.60 3.31 12.01 9.59 9.50 21.2 none none 47.0 1.10:1 LFA Loop
DK7ZB 4 12.5 ohm 0.48 7.60 6.54 4.99 13.72 10.59 10.67 4.91 3.74 12.52 10.10 10.05 13.7 11.1 1.39:1 Dipole No
G0KSC 4 Quad 0.50 8.10 6.33 5.70 14.08 11.06 11.06 4.75 4.28 12.98 10.53 10.59 19.1 none none 52.6 1.10:1 Quad No
EAntenna 50LFA4 0.50 7.16 6.17 4.47 13.23 10.13 10.19 4.62 3.35 12.05 9.67 9.56 21.8 none none 50.9 1.09:1 LFA Loop Yes
InnoV 4 LFA 3.33m 0.56 7.25 6.17 4.48 13.29 10.23 10.25 4.63 3.36 12.17 9.79 9.69 25.3 none none 49.9 1.17:1 LFA Loop
InnoV 4 LFA-Q 0.56 8.56 6.97 6.01 14.58 11.52 11.53 5.23 4.51 13.39 11.03 11.00 13.9 14.2 none 28.6 1.31:1 LFA-Vert Loop Yes
F9FT 5 220505 0.57 7.72 6.43 5.03 13.86 10.72 10.83 4.82 3.77 12.79 10.24 10.32 16.6 none none 16.8 1.18:1
*F9FT 5 220505 0.57 7.72 5.58 4.50 13.54 10.54 10.68 0.00 0.00 0.00 0.00 0.00 16.6 none none 16.8 1.18:1
G0KSC 4el-Q 0.57 8.07 6.54 5.26 14.10 11.06 11.05 4.91 3.95 13.04 10.59 10.59 18.0 19.3 none 49.3 1.15:1 LFA Vert Loop Yes
Telrex 4 0.59 7.53 6.54 5.08 13.40 10.47 10.31 4.91 3.81 12.41 10.02 10.15 11.8 52.3 1.11:1
HyGain 4 VB-64DX 0.59 7.50 6.47 4.98 13.34 10.43 10.25 4.86 3.74 12.45 9.97 10.13 11.8 13.9 none 206.1 1.05:1 Beta Match Yes
Cushcraft A50-5S 0.59 7.60 6.52 5.11 13.53 10.56 10.46 4.89 3.83 12.52 10.09 10.19 14.0 40.8 1.05:1
G0KSC 4LFA 0.59 7.72 6.41 4.87 13.70 10.68 10.66 4.81 3.65 12.62 10.22 10.18 18.8 50.0 1.10:1 LFA Loop
Directive DSEJX5-50 0.60 7.85 6.52 5.01 13.96 10.86 10.91 4.89 3.76 12.83 10.38 10.37 17.1 none none 200.5 1.10:1 T Match Yes
DK7ZB 4 12.5 ohm 0.60 8.15 6.77 5.46 14.21 11.15 11.16 5.08 4.10 13.01 10.69 10.66 13.7 14.7 1.39:1
Directive 4 DS50-4HP 0.62 8.17 6.89 5.49 14.23 11.14 11.17 5.17 4.12 13.11 10.71 10.69 12.8 12.9 1.54:1
G4CQM 5 0.63 8.27 6.87 5.44 14.36 11.27 11.34 5.15 4.08 13.40 10.84 10.88 18.3 58.9 1.57:1 Dipole No
EAntennas 50LFA5S 0.65 8.50 6.69 5.49 14.53 11.47 11.51 5.02 4.12 13.28 10.99 10.97 15.1 15.1 none 52.9 1.30:1 LFA Loop Yes
InnoV 4 LFA 3.9m Ver3 0.65 8.33 6.79 5.37 14.33 11.28 11.27 5.10 4.02 13.17 10.83 10.82 15.2 15.3 none 49.2 1.31:1 LFA Loop Yes
Maple Leaf BFM-4e6-13 0.65 8.45 7.15 5.81 14.50 11.45 11.46 5.36 4.36 13.41 11.03 10.98 12.4 11.7 none 50.0 1.50:1 Sinclair Feed No
DK7ZB 4 0.66 8.56 7.02 5.70 14.60 11.55 11.54 5.27 4.28 13.28 11.09 10.94 13.8 13.8 none 12.4 1.48:1 Dipole No
InnoV 5 LFA 0.66 8.42 6.84 5.46 14.49 11.40 11.46 5.13 4.10 13.36 10.95 10.93 16.7 16.8 none 49.1 1.29:1 LFA Loop Yes
G0KSC 5 Quad 0.68 8.77 6.82 6.25 14.73 11.73 11.67 5.12 4.69 13.52 11.22 11.20 13.9 14.2 None 50.8 1.13:1 Quad No
YU7EF 5C 0.69 7.99 6.52 5.08 13.97 10.96 10.91 4.89 3.81 12.84 10.50 10.47 16.8 50.1 1.03:1 Dipole No
DK7ZB 5 50 ohm 0.71 8.50 6.94 5.61 14.44 11.46 11.37 5.21 4.21 13.05 11.00 10.75 12.7 50.3 1.13:1 Dipole No
G0KSC 5el-Q 0.72 9.20 7.20 6.29 15.22 12.18 12.20 5.40 4.72 14.15 11.71 11.71 17.1 16.8 none 46.7 1.25:1 LFA Vert Loop Yes
OZ3SW 4 (OZ6FRS) 0.73 7.79 6.43 4.97 13.49 10.71 10.43 4.82 3.73 12.67 10.32 10.30 15.0 31.7 1.10:1
G0KSC 5 4.4 LFA 0.73 8.45 6.88 5.48 14.53 11.43 11.41 5.16 4.11 13.47 10.99 11.00 21.5 49.9 1.08:1 LFA Loop Yes
EAntenna 50LFA5 0.74 8.39 6.72 5.32 14.45 11.42 11.44 5.04 3.99 13.34 10.92 10.88 20.1 20.1 none 50.9 1.06:1 LFA Loop Yes
DK7ZB 5 28 ohm 0.75 8.60 7.02 5.64 14.53 11.56 11.47 5.27 4.23 13.16 11.11 10.89 13.3 29.0 1.10:1 LFA Loop
YU7EF 5A 0.75 8.59 6.97 5.64 14.51 11.54 11.12 5.23 4.23 13.07 10.91 10.84 12.9 49.4 1.06:1 Dipole No
IZ1MYT 5 0.75 8.91 7.27 6.00 14.89 11.88 11.85 5.45 4.50 13.53 11.42 11.19 14.1 50.7 1.28:1 Dipole No
JK Antennas JK65 0.75 8.51 6.94 5.59 14.33 11.43 11.24 5.21 4.19 13.09 10.99 10.82 13.8 13.9 none 47.7 1.12:1 Dipole No
N6CA 4 0.76 8.72 7.02 5.76 14.65 11.67 11.60 5.27 4.32 13.25 11.21 11.00 14.0 20.1 1.32:1
G0KSC 5 4.6m LFA 0.76 8.65 6.97 5.60 14.72 11.63 11.70 5.23 4.20 13.62 11.18 10.82 18.9 48.5 1.10:1 LFA Loop
G0KSC 5 4.7m  LFA 0.79 8.86 7.08 5.74 14.85 11.82 11.82 5.31 4.30 13.67 11.37 11.29 17.3 50.4 1.02:1 LFA Loop
Telrex 5 0.80 8.88 7.24 5.98 14.82 11.83 11.78 5.43 4.49 13.39 11.37 11.09 13.0 20.3 1.28:1
M² 6M5 0.80 8.93 7.27 6.04 14.91 11.89 11.89 4.54 4.53 13.60 11.41 11.26 13.9 36.1 1.35:1
InnoV 6 OP-DES 0.80 8.94 6.98 5.59 14.98 11.98 11.95 5.24 4.19 13.85 11.44 11.45 17.5 50.7 1.03:1 Bent Dipole No
I0JXX 5 0.81 9.03 7.53 6.33 14.98 11.98 11.95 5.65 4.24 13.24 11.49 11.11 10.5 18.1 1.37:1
G0KSC 5 LFA 4.9m 0.81 8.87 7.02 5.69 14.88 11.83 11.87 5.27 4.27 13.72 11.37 11.32 19.5 49.7 1.08:1 LFA Loop
W5WVO CC A50-5S MOD 0.87 9.10 7.35 6.09 15.19 12.07 12.16 5.51 4.57 13.65 11.57 11.34 12.3 16.1 1.36:1
Directive DS50-5 0.88 8.93 7.02 5.76 14.86 11.87 11.84 5.42 4.32 13.62 11.45 11.24 16.6 23.4 1.09:1
M² 6M5X 0.91 9.39 7.59 6.39 15.36 12.35 12.33 5.69 4.79 14.03 11.86 11.70 12.7 13.9 1.48:1
Directive DSEJX6-50 0.93 9.12 7.15 5.91 15.11 12.08 12.08 5.36 4.43 13.80 11.47 11.47 14.4 14.0 none 200.6 1.06:1 T Match Yes
Create CL6DX 6el 0.94 8.93 7.02 5.72 14.80 11.94 11.78 5.27 4.29 13.36 11.36 11.14 14.8 47.8 1.05:1
BQH 5 0.94 9.45 7.72 6.54 15.40 12.40 12.35 5.79 4.91 13.90 11.91 11.60 14.8 13.5 1.27:1
EAntennas 50LFA5L 0.95 9.07 7.07 5.75 15.03 12.00 12.03 5.30 4.31 13.90 11.55 11.48 21.3 21.4 none 48.7 1.32:1 LFA Loop Yes
InnoV 5 LFA-Q 0.95 9.76 7.71 6.88 15.74 12.71 12.71 5.78 5.16 14.60 12.23 12.21 19.3 14.6 none 28.9 1.30:1 LFA Vert Loop Yes
Innov 6 LFA MAX5.8m 0.97 9.04 7.05 5.74 15.06 12.01 12.05 5.29 4.31 13.96 11.54 11.52 23.7 20.8 none 51.0 1.12:1 LFA Loop
BV 6 0.98 9.47 7.72 6.56 15.45 12.43 12.40 5.79 4.92 14.08 11.96 11.73 15.3 47.6 1.13:1 Dipole No
Eantenna 50LFA5XL 0.98 9.60 7.59 6.39 15.56 12.55 12.53 5.69 4.79 14.35 12.09 11.99 18.8 14.1 none 47.4 1.34:1 LFA Loop Yes
YU7EF 6 W1 0.99 9.41 7.59 6.41 15.37 12.37 12.32 5.69 4.81 13.85 11.87 11.58 14.9 50.8 1.02:1 Dipole No
Cushcraft A50-6S 1.00 8.75 6.92 5.64 14.52 11.66 11.49 5.19 4.23 13.08 11.18 10.90 13.9 38.6 1.02:1
DK7ZB 5 18 ohm 1.00 9.36 7.65 6.47 15.32 12.32 12.28 5.74 4.86 13.70 11.82 11.37 12.3 17.7 1.35:1
G4CQM 6 1.00 9.65 7.68 6.50 15.66 12.62 12.64 5.76 4.87 14.57 12.18 12.13 18.9 58.6 1.53:1 Dipole No
DK7ZB 5 12.5 ohm 1.00 9.53 7.68 6.52 15.50 12.49 12.46 5.76 4.89 13.95 11.99 11.64 14.0 13.8 1.39:1
DK7ZB 6 50 ohm 1.00 9.47 7.78 6.61 15.56 12.53 12.53 5.84 4.96 14.41 12.10 11.94 14.6 12.2 none 50.1 1.32:1 Dipole No
G0KSC 6 6.0m LFA 1.00 9.20 7.13 5.82 15.20 12.16 12.19 5.35 4.37 14.04 11.70 11.63 20.8 50.8 1.10:1 LFA Loop
OptiBeam OB6-6 1.01 9.50 7.53 6.37 15.47 12.45 12.43 5.65 4.78 14.07 11.97 11.75 14.5 26.0 1.19:1
EAntenna 50LFA6S 1.02 9.74 7.65 6.49 15.75 12.73 12.72 5.74 4.87 14.39 12.26 12.16 20.4 14.2 none 50.7 1.31:1 LFA Loop Yes
M² 6M5XHG 1.03 9.87 8.05 6.95 15.86 12.84 12.81 6.04 5.21 14.44 12.35 12.05 17.6 11.0 1.58:1
*M² 6M5XHG 1.03 9.87 5.49 5.49 14.35 12.15 12.18 -.-- -.-- --.-- --.-- --.-- 17.6 11.0 1.58:1
InnoV 6 LFA 6.1m 1.03 9.24 7.26 6.00 15.27 12.21 12.26 5.45 4.50 14.19 11.76 11.74 24.6 49.7 1.14:1 LFA Loop
InnoV 5 LFA 6.2m Ver 3 1.04 9.54 7.44 6.22 15.62 12.62 12.60 5.58 4.67 14.33 12.12 12.03 19.4 15.6 none 47.0 1.50:1 LFA Loop Yes
WiMo ZX 6-6  1.04 9.30 7.75 6.59 15.32 12.28 12.29 5.81 4.94 14.28 11.86 11.80 15.9 21.4 1.07:1
G0KSC 6 6.2m LFA 1.04 9.11 7.13 5.87 15.11 12.07 12.12 5.35 4.40 14.08 11.63 11.62 28.8 47.7 1.13:1 LFA Loop
G0KSC 6 6.4m LFA 1.04 9.47 7.38 6.11 15.45 12.43 12.43 5.54 4.58 14.24 11.97 11.86 20.4 48.7 1.24:1 LFA Loop
EAntenna 50LFA6M 1.05 9.54 7.41 6.17 15.55 12.52 12.55 5.56 4.63 14.46 12.08 12.03 24.6 18.4 none 51.8 1.28:1 LFA Loop Yes
InnoV 6 LFA 6.4m 1.08 9.58 7.57 6.39 16.00 12.54 12.58 5.68 4.79 14.53 12.10 12.09 23.4 15.1 none 49.8 1.13:1 LFA Loop Yes
IZ1MYT 6 1.09 9.90 7.95 6.82 15.89 12.87 12.85 5.96 5.12 14.44 12.37 12.09 17.2 53.3 1.20:1 Dipole No
G0KSC 6el-Q 1.12 10.09 8.19 7.31 16.07 13.06 13.04 6.14 5.48 14.92 12.59 12.50 19.5 13.6 none 47.5 1.18:1 LFA Vert Loop Yes
InnoV 6 LFA 6.83m 1.14 9.75 7.56 6.37 15.76 12.71 12.75 5.67 4.78 14.52 12.22 12.16 27.3 50.6 1.06:1 LFA Loop
YU7EF 6 1.15 9.67 7.62 6.43 15.67 12.63 12.65 5.72 4.82 14.42 12.16 12.04 20.5 48.6 1.11:1 Dipole No
InnoV 6 6.8m LFA 1.15 9.72 7.47 6.25 15.69 12.67 12.68 5.60 4.68 14.54 12.21 12.15 26.1 50.3 1.06:1 LFA Loop
G4CQM 7UX 1.15 9.60 7.35 6.15 15.52 12.54 12.52 5.51 4.61 14.33 12.08 11.19 23.4 20.9 none 50.4 1.11:1 Dipole No
K6STI 5 1.15 10.32 8.27 7.24 16.26 13.26 13.25 6.20 5.43 14.85 12.75 12.51 17.0 12.5 1.67:1
EAntenna 50LFA6 1.19 9.57 7.35 6.15 15.53 12.51 12.54 5.51 4.61 14.41 12.06 12.00 27.6 20.5 none 50.4 1.06:1 LFA Loop Yes
Create CL6DXX 7el 1.19 9.78 7.50 6.35 15.65 12.70 12.63 5.62 4.76 14.15 12.20 11.93 17.1 89.4 1.08:1
DK7ZB 6 50 ohm 1.19 9.96 7.85 6.73 15.63 12.88 12.80 5.89 5.04 14.36 12.49 12.10 16.9 45.8 1.20:1 Dipole No
DK7ZB 6 28 ohm 1.20 10.19 8.12 7.02 16.15 13.15 13.13 6.09 5.27 14.79 12.65 12.44 18.0 27.2 1.07:1 Dipole No
HyGain VB-66DX 1.21 8.66 7.15 5.94 14.08 11.47 11.01 5.36 4.46 12.78 11.06 10.73 13.1 10.0 none 200.5 1.06:1 Beta Match Yes
HyGain 66B 1.21 8.66 7.15 5.94 14.08 11.47 11.01 5.36 4.46 12.78 11.06 10.73 13.1 10.0 none 200.5 1.06:1 Beta Match Yes
EAntenna 50LFA6XL 1.21 10.17 7.94 6.84 16.14 13.12 13.12 5.96 5.13 14.86 12.64 12.51 22.7 14.0 none 51.0 1.07:1 LFA Loop Yes
W1JR 6 1.21 9.47 7.35 6.17 15.39 12.39 11.39 5.51 4.63 13.88 11.89 11.60 17.9 45.1 1.08:1
Tilton 7 1.22 9.99 7.75 6.82 15.90 12.98 12.88 5.84 5.12 14.33 12.39 12.11 17.4 27.0 1.20:1
N6CA 6 1.22 10.08 7.91 6.80 16.05 13.03 13.03 5.94 5.10 14.80 12.55 12.44 18.9 22.1 1.17:1
G0KSC 6 7.3m LFA 1.22 10.15 7.88 6.77 16.11 13.10 13.10 5.91 5.08 14.86 12.61 12.51 22.1 51.3 1.05:1 LFA Loop
I0JXX 6 1.23 10.27 8.66 7.65 16.25 13.23 13.23 6.49 5.74 14.73 12.67 12.36 11.2 15.7 1.52:1
InnoV 7 OP-DES 1.24 10.34 7.78 6.56 16.30 13.28 13.29 5.84 4.92 15.11 12.81 12.75 24.1 49.3 1.05:1 Bent Dipole No
N1DPM 5 Hy-gain mod 1.28 9.75 7.47 6.29 15.50 12.62 12.55 5.60 4.72 14.14 12.15 11.93 14.1 15.4 1.44:1
DK7ZB 7 50 ohm 1.29 10.12 8.05 7.00 16.09 13.07 13.05 6.04 5.25 14.52 12.55 12.23 20.0 45.5 1.03:1 Dipole No
UA9TC 7RV el 1.30 10.27 7.94 6.87 16.21 13.20 13.19 5.96 5.15 14.82 12.68 12.59 18.2 14.3 none 50.6 1.02:1 Dipole No
N1DPM 7 KLM mod 1.31 10.02 7.91 6.84 15.84 12.90 12.82 5.94 5.13 14.18 12.39 12.04 16.9 205.0 1.04:1 KLM Dual Dip
YU7EF 7X 1.33 10.02 7.78 6.68 15.88 12.94 12.86 5.84 5.01 14.32 12.41 12.16 17.4 51.5 1.02:1 Dipole No
M² 6M7 1.33 10.35 8.09 7.02 16.28 13.29 13.28 6.07 5.27 15.04 12.81 12.71 18.7 31.4 1.26:1
IZ1MYT 7 1.34 10.39 8.38 7.38 16.32 13.33 13.30 6.29 5.54 14.90 12.80 12.60 12.6 52.6 1.22:1 Dipole No
InnoV 6 LFA 8.2m Ver 3 1.39 10.65 8.19 7.15 16.57 13.59 13.57 6.14 5.36 15.32 13.09 13.02 22.0 14.2 none 44.9 1.60:1 LFA Loop Yes
Mosley A507LS 1.42 8.11 6.73 5.43 13.71 11.21 10.99 5.03 4.07 13.22 10.92 11.00 13.4 41.8 1.07:1
Directive DSEJX7-50 1.44 10.68 8.91 7.41 16.67 13.69 13.62 6.68 5.55 15.41 13.23 12.90 15.9 13.7 none 201.5 1.27:1 T Match Yes
YU7EF 7 1.49 10.58 8.20 7.18 16.49 13.51 13.48 6.15 5.39 15.01 12.99 12.76 19.0 49.8 1.03:1 Dipole No
G0KSC 7 8.9m LFA 1.49 10.70 8.27 7.24 16.66 13.65 13.66 6.20 5.43 15.54 13.19 13.15 24.9 49.4 1.08:1 LFA Loop
JK Antennas JK67 1.51 11.03 8.74 7.78 16.98 13.97 13.97 6.55 5.83 15.59 13.45 13.28 18.0 13.1 19.1 51.1 1.33:1 Dipole No
Create CL6DXZ 8el 1.53 10.76 8.31 7.29 16.67 13.68 13.64 6.23 5.47 15.08 13.14 12.88 18.3 85.7 1.06:1
Directive DS50-7 1.56 10.92 8.50 7.47 16.86 13.87 13.86 6.37 5.60 15.68 13.40 13.30 20.2 23.8 1.14:1
DK7ZB 7 28 ohm 1.56 10.88 8.58 7.59 16.85 13.83 13.83 6.43 5.69 15.48 13.33 13.14 20.9 27.7 1.15:1 Dipole No
M² 6M7JHV 1.56 10.86 8.42 7.41 16.78 13.79 13.78 6.32 5.56 15.43 13.30 13.13 20.8 15.3 24.0 30.1 1.32:1
EAntenna 50LFA7 1.56 10.68 8.12 7.10 16.64 13.65 13.65 6.09 5.33 15.47 13.18 13.12 26.3 17.7 27.4 49.5 1.09:1 LFA Loop Yes
I0JXX 7 1.57 11.38 9.42 8.54 17.37 14.34 14.38 7.07 6.40 16.03 13.80 13.64 13.5 30.2 2.00:1
G0KSC 7el-Q 1.57 11.45 9.37 8.60 17.43 14.43 14.42 7.03 6.45 16.26 13.94 13.80 19.3 12.8 19.6 49.66 1.27:1 LFA Vert Loop Yes
G4CQM 6M7N50 1.62 11.28 8.82 7.88 17.17 14.20 14.18 6.62 5.91 15.80 13.69 13.53 18.8 15.3 20.0 52.1 1.53:1 Dipole No
K6STI 6 1.62 11.17 9.38 7.98 17.13 14.16 14.09 7.03 5.99 15.61 13.62 13.23 17.2 18.1 1.47:1
G0KSC 7 9.7m LFA 1.63 11.00 8.50 7.50 16.92 13.93 13.92 6.38 5.63 15.65 13.44 13.33 23.9 15.3 24.1 50.3 1.06:1 LFA Loop
G0KSC 8 OWL 1.64 11.08 8.96 7.68 17.03 14.06 14.00 6.72 5.76 15.95 13.61 13.43 19.9 16.0 20.0 12.4 1.12:1 Folded Dipole
InnoV 8 OP-DES 1.65 10.98 8.27 7.13 15.96 13.00 12.97 6.20 5.35 14.75 12.52 12.45 23.8 18.7 23.4 50.2 1.04:1 Bent Dipole No
YU7EF 8 1.66 10.95 8.38 7.38 16.84 13.87 13.85 6.29 5.54 13.39 13.38 13.26 20.4 17.9 20.4 50.3 1.06:1 Dipole No
G4CQM 7LY 1.67 11.10 8.78 7.68 17.01 14.04 14.00 6.59 5.76 15.51 13.51 13.25 19.2 13.5 19.5 50.4 1.12:1 Dipole No
Cushcraft 617-6B 1.69 10.17 8.09 7.08 15.89 13.01 12.90 6.07 5.31 13.99 12.48 11.95 19.1 33.0 1.16:1
N1DPM 7 617-6B mod 1.69 10.94 8.34 7.35 16.85 13.87 13.86 6.26 6.51 15.59 13.38 13.29 23.9 20.7 1.26:1
InnoV 7 LFA 10.3m Ver 3 1.72 11.31 8.74 7.78 17.22 14.24 14.23 6.56 5.84 15.90 13.73 13.61 21.5 13.9 21.0 47.1 1.28:1 LFA Loop Yes
InnoV 8 LFA 11.71m 1.96 11.22 8.46 7.47 17.07 14.13 14.10 6.35 5.60 15.87 13.65 13.58 29.1 20.9 25.1 50.5 1.03:1 LFA Loop Yes
YU7EF 8 1.88 11.29 8.70 7.75 17.20 14.21 14.20 6.53 5.81 15.85 13.70 13.58 21.9 49.0 1.11:1 LFA Loop
K5GW 8 1.96 11.77 9.52 8.70 17.78 14.73 14.76 7.14 6.53 16.26 14.15 13.95 19.8 52.9 1.13:1
BQH 8 2.00 11.86 9.37 8.53 17.82 14.79 14.82 7.03 6.40 16.26 14.23 14.02 20.2 13.0 17.1 50.1 1.14:1 Dipole No
M² 6M2WLC 2.00 11.76 9.28 8.38 17.67 14.68 14.68 6.96 6.27 16.19 14.14 13.96 20.4 35.8 1.27:1
JK Antennas JK68 v2 2.031 11.95 9.469 8.615 17.87 14.87 14.88 7.10 6.465 16.45 14.34 14.18 20.4 14.9 20.3 50.0 1.29:1 Dipole No
*JK Antennas JK68 v2 2.03 11.95 8.50 8.00 17.57 14.70 14.72 6.38 6.00 15.90 14.14 14.04 20.4 14.9 20.3 50.0 1.29:1 Dipole No
DK7ZB 8 2.05 11.83 9.33 8.46 17.75 14.76 14.76 7.00 6.34 16.29 14.21 14.03 23.0 27.1 1.16:1 Dipole No
K6STI 7 2.05 12.12 9.94 9.14 18.10 15.05 15.11 7.46 6.86 16.52 14.45 14.26 18.7 13.7 1.76:1
InnoV 8 LFA 12.2m Ver 3 2.06 11.81 9.13 8.23 17.71 14.73 14.72 6.85 6.17 16.32 14.20 14.08 23.8 14.2 20.4 49.8 1.24:1 LFA Loop Yes
N6CA 8 2.07 11.95 9.52 8.66 17.89 14.88 14.91 7.14 6.49 16.53 14.36 14.23 20.0 21.5 1.20:1
InnoV 9 OP-DES 2.08 11.90 8.95 7.98 17.74 14.77 14.77 6.71 5.99 16.50 14.31 14.24 24.3 17.7 24.7 49.3 1.11:1 Bent Dipole No
G0KSC 8 12.49m LFA 2.09 11.92 9.33 8.42 17.84 14.86 14.85 7.00 6.32 16.61 14.37 14.28 24.8 16.3 21.2 49.9 1.12:1 LFA Loop
EAntenna 50LFA8 2.09 11.80 9.04 8.16 17.71 14.75 14.73 6.78 6.12 16.38 14.24 14.13 25.4 16.2 22.1 48.0 1.13:1 LFA Loop Yes
YU7EF 9 2.16 11.84 9.14 8.27 17.74 14.75 14.76 6.85 6.20 16.44 14.25 14.16 21.0 48.9 1.08:1 Dipole No
M² 6M8GJ 2.18 12.12 9.68 8.42 17.98 15.05 14.99 7.26 6.32 16.48 14.50 14.27 18.3 16.4 1.15:1
ZL3NW 10 2.20 11.68 9.18 8.34 17.62 14.61 14.66 6.89 6.26 16.22 14.08 13.90 16.4 62.1 1.13:1
BQH 9 2.28 12.15 10.17 9.28 18.24 15.18 15.21 7.63 6.96 16.76 14.59 14.39 23.7 11.8 16.3 50.9 1.14:1 Dipole No
DK7ZB 9 2.34 12.26 9.94 9.09 18.25 15.22 15.24 7.46 6.82 16.80 14.66 14.50 21.0 28.3 1.10:1 Dipole No
JK Antennas JK610 v8 2.44 12.42 9.78 8.95 18.34 15.35 15.36 7.33 6.72 17.08 14.85 14.77 25.8 16.9 19.6 46.4 1.25:1 Dipole No
InnoV 10 OP-DES 2.50 12.28 9.32 8.38 18.09 15.17 15.13 6.99 6.29 16.89 14.69 14.63 26.6 19.4 24.8 50.4 1.10:1 Bent Dipole No
Create CL613 13 el 2.51 12.54 10.17 9.42 18.53 15.60 15.52 7.63 7.07 16.92 14.86 14.73 20.6 90.2 1.06:1
M² 6M9KHW 2.51 12.72 10.53 9.73 18.72 15.68 15.71 7.90 7.30 17.33 15.12 15.01 20.5 13.6 17.5 20.7 1.21:1
G0KSC 9 LFA 15.02m 2.51 12.35 9.57 8.74 18.22 15.26 15.26 7.18 6.56 16.98 14.77 14.70 23.0 18.9 22.6 50.2 1.12:1 LFA Loop
EAntenna 50LFA9 2.52 12.45 9.67 8.87 18.36 15.40 15.39 7.20 6.65 17.09 14.89 14.83 24.1 17.8 21.7 48.5 1.12:1 LFA Loop Yes
K6STI 8 2.54 12.73 10.72 10.00 18.78 15.67 15.75 8.04 7.50 17.12 15.04 14.89 18.0 17.5 1.65:1
M² 6m25WLC 2.57 12.53 10.41 9.65 18.55 15.45 15.45 7.80 7.24 17.17 14.94 14.85 19.2 13.5 16.0 201.0 1.26:1 T Match
InnoV 10 LFA 2.58 11.98 9.04 8.16 17.78 14.86 14.84 6.78 6.12 16.58 14.39 14.32 27.6 49.2 1.08:1 LFA Loop
YU7EF 10 2.59 12.50 10.06 9.14 18.44 15.45 15.45 7.54 6.85 17.36 15.00 14.94 22.8 50.5 1.07:1 Dipole No
Directive DSEJX13-50 2.59 12.46 10.22 9.49 18.45 15.40 15.44 7.67 7.12 17.09 14.86 14.76 17.4 11.6 16.2 199.6 1.07:1 T Match Yes
G0KSC 10LFA 2.96 13.05 10.23 9.47 18.93 15.96 15.96 7.67 7.10 17.69 15.47 15.40 26.5 50.3 1.08:1
G0KSC 11 OWL-FD 3.00 13.18 10.50 9.73 19.09 16.11 16.12 7.88 7.30 17.87 15.62 15.55 23.4 50.4 1.11:1
EAntenna 50LFA10 3.05 13.03 10.22 9.47 18.92 15.96 15.96 7.67 7.10 17.67 15.47 15.40 25.9 18.1 22.6 48.9 1.14:1 LFA Loop Yes
YU7EF 11 3.13 13.12 10.41 9.63 19.00 16.03 16.03 7.81 7.22 17.76 15.54 15.47 23.4 50.0 1.06:1 Dipole No
G0KSC 11 BV LFA 3.37 13.63 10.97 10.25 19.55 16.57 16.57 8.23 7.69 18.29 16.06 16.00 26.0 16.0 23.5 47.1 1.10:1 LFA Loop
M² 6M11JKV 3.52 13.99 11.94 11.33 19.92 16.92 16.93 8.96 8.50 18.67 16.38 16.36 19.4 27.3 1.25:1
InnoV 12 LFA 3.82 13.99 11.54 10.84 19.91 16.92 16.92 8.66 8.13 18.60 16.40 16.40 26.2 15.4 21.9 47.9 1.15:1 LFA Loop Yes
DK7ZB 13 4.26 14.55 13.28 12.71 20.56 17.53 17.53 9.96 9.53 19.34 16.96 16.95 22.9 12.4 15.9 27.9 1.15:1 Dipole No
BVO 18 Rope Yagi 5.03 15.10 13.49 12.89 21.03 18.12 18.11 10.12 9.67 19.66 17.39 17.37 25.6 13.2 17.1 50.7 1.13:1 Dipole No
Only Antennas that have actually been built are posted in these Tables.
Legend:
1. L      = Length in Wavelengths
2. Gain  = Gain in dBd of a single antenna
3. E      = E plane (Horizontal) stacking in Meters. 
4. H      = H plane (Vertical) stacking in Meters.
5. Ga     = Gain in dBd of a 4 bay array
6. Tlos   = The internal resistance of the antenna in Kelvin.
7. Ta     = The total temperature of the antenna or array in Kelvin. This 
                includes all the side lobes, rear lobes and internal resistance of the 
                antenna or array.
8. F/R    = Front to Rear in dB over the rear 180 degrees of an antenna using either E or H plane. 
9. Z ohms = The natural impedence of a single antenna in free space.  
10. VSWR  = VSWR Bandwidth is based a single antenna over 50.0 - 50.3 MHz with a 
                    reference at 50.150 MHz. This parameter gives an indicator of the
                    antenna "Q" and what to expect with with stacking and wet weather.  
Notes:
1. All antennas are now calculated in Eznec5+ by Roy Lewallen W7EL or 4NEC2 by Arie Voors.
   
2. All antennas are in free space and horizontally polarized.
3. One wavelength at 50.150 MHz is 5.98M or 19.62'
4. "E" represents the horizontal plane; "H" represents the vertical plane.
5. F/R is Front to Rear in dB over the rear 180 degrees of an antenna using either E or H plane. 
6. Z ohms is the natural impedence of a single antenna in free space.  
   
7. VSWR Bandwidth is based a single antenna over 50.000 - 50.300 MHz with a reference of 1.00:1 at 50.150 MHz
8. G/T is not included in this table as the ratio between cold sky and ground noise is small. ie 4225K Tsky 
   versus 6000K ground noise. Therefore, I have included Tlos, Ta, F/R, 1st SL and 2nd SL
   to allow the reader to make an assessment of an antenna.
9. Antennas marked with a "*" have stacking dimensions recommended by 
   the manufacturer or designer.
10. Force 12 antennas are not included as no data is available from the manufacturer.
11. FD = Folded Dipole
12.  Convergence Correction: NEC2 and NEC 4 are incapable of handling complex 
      feed systems like Folded Dipoles, T Matches, LFAs etc.
      Convergence Correction using the KF2YN Excel program is required. 
      See DUBUS 4/2010 "The Correction of Convergence Errors in Antenna
      Temperature Calculations by Brian Cake, KF2YN for details.
13. Manufacturer/Designer Legend:
BVO                 = Eagle/DJ9BV
BQH             = VE7BQH
Cushcraft          = Cushcraft
Create          = Create
Directive           = Directive
DK7ZB              = DK7ZB
EAntenna          = EAntenna
G0KSC             = G0KSC
G4CQM             = G4CQM
HyGain              = HyGain
I0JXX                = I0JXX
InnoV         =   InnoVAntennas
IZ1MYT         = IZ1MYT
JK Antennas  = JK Antennas
K5GW           = K5GW
K6STI               = K6STI
                     = M²
Maple Leaf        = Maple Leaf
Mosley          = Mosley
N1DPM          = N1DPM
N6CA                = N6CA
OZ3SW         = OZ3SW
Telrex           = Telrex
Tilton            = Tilton (ARRL Handbook)
W5WVO Mod = W5WVO
WiMo            = WiMo
YU7EF             = YU7EF
ZL3NW            = ZL3NW
Using this Chart:
While Gain is very important on on this band, other factors like ease of matching and wet weather performance should be 
considered in the your decision making. Antennas with 50 ohm feed systems and good VSWR bandwidth (Q) may be the best
choice depending on your location. Although there is no advantage to low sidelobe and F/R antennas based on sky noise
and ground noise (G/T) these antennas may provide signifcant benefit if you have local man made noise that is in
directions where low side lobe antennas provide additional suppression.  
Stacking is an issue on this band due to the large optimum spacings. While the longer antennas are very attractive 
because of there superior gain, if severly understacked, the gain advantage may be quickly lost.  
                                                                                 Lionel H. Edwards
                                                                                 VE7BQH
                                                                                 VE7BQH    Issue 34, March 31, 2018
                                                                                   
Issue   1: Initial Issue
Issue   2: Add Cushcraft 617-6B and M² 6M25WLC 
Issue   3: Add N1DPM 7 617-6b mod, N1DPM 7 KLM mod, N1DPM 5 Hy-gain mod
Issue   4: Add G0KSC 6 6.8m LFA,G0KSC 6 7.3m LFA,G0KSC 7 9.7m LFA,G0KSC 7 8.9m LFA,G0KSC 8 12.49m LFA
Issue   5: Add G4CQM 6, G0KSC 5 4.4m LFA, Add F/R column 
Issue   6: Add M² 6M3
Issue   7: Add M² 6M5XHG, IZ1MYT 6
Issue   8: Add G0KSC 8 OWL, IZ1MYT 7,G4CQM 5,Revised G4CQM 6
Issue   9: Add Create CL6DX,Create CL6DXX,Create CL613
Issue 10: Add G0KSC 3LFA,WiMo ZX 6-6,M² 6M5,Create CL6DXZ,
Issue 11: Add G0KSC 4LFA,
Issue 12: Add IZ1MYT 5, G0KSC 10LFA, G0KSC 11OWL
Issue 13: Add G0KSC 5 4.6m LFA,G0KSC 5 4.7m LFA,G0KSC 6 6.0m LFA,G0KSC 6.2m LFA,G0KSC 6 6.4m LFA,G0KSC 9 15.02m LFA
Issue 13: Add G0KSC 6 LFA 6.0m updated
Issue 14: Add G0KSC 5 LFA 4.9m,OptiBeam OB6-6
Issue 15: Add YU7EF 3, YU7EF 11
Issue 16: Add F9FT 5 220505
Issue 17: Add InnoV 5 OP-DES,InnoV 6 OP-DES,InnoV 7 OP-DES,InnoV 8 OP-DES,InnoV 10 LFA,InnoV 8 LFA,InnoV 6 LFA 6.83,
Issue 17: Add InnoV 6 6.4m ,InnoV 6 LFA 6.1m, InnoV 4 LFA 3.33m,InnoV 4 LFA 2.8m,InnoV 3 OWL,InnoV 2 LFA,
Issue 18: Add Updated DK7ZB 5 50 ohm,
Issue 19: Add G4CQM 6M7UX,G4CQM 6M7N50,
Issue 20: Add UA9TC 7RV,G0KSC 11 BV LFA,HyGain VB-66DX(new),HYGain VB-66B(old)
Issue 21: Add InnoV 6 LFA MAX 5.8m,InnoV 9 OP-DES,Innov 10 OP-DES, G4CQM 7 LY,G0KSC 2el-Q,G0KSC 3el-Q,
Issue 22: Add InnoV 12 LFA,G0KSC 4el-Q,G0KSC 5el-Q,G0KSC 6el-Q,
Issue 23: Add DK7ZB 6 50ohm,
Issue 24: Add YU7EF 8,G0KSC 3 Quad,G0KSC 4 Quad, G0KSC 5 Quad,
Issue 25: Add DK7ZB 4
Issue 26: Add EAntenna 50LFA3,EAntenna 50LFA 4,EAntenna 50LFA5S,EAntenna 50LFA5,EAntenna 50LFA5XL,EAntenna 50LFAA6S,
Issue 26: Add EAntenna 50LFA6M,EAntenna 50LFA6,EAntenna 50LFA6XL,EAntenna 50LFA7,EAntenna 50LFA8,
Issue 26: Add EAntenna 50LFA9,EAntenna 50LFA10,
Issue 27: Add InnoV 2 LFA-Q,InnoV 3 LFA-Q,InnoV 4 LFA-Q,InnoV 5 LFA-Q,
Issue 28: Add Revise InnoV 6 LFA 6.4m,InnoV 5 LFA,DK7ZB 13 (50MHz),
Issue 29: Add Directive DSEJX5-50,Directive DSEJX6-50,Directive DSEJX7-50,Directive DSEJX13-50,
Issue 29: Add Revise HyGain VB-66DX,HyGain 66B,HyGain VB-64DX,
Issue 30: Add Super Moxon,
Issue 31: Add InnoV 4 LFA 3.9m Ver 3,InnoV 5 LFA 6.2m Ver 3,InnoV 6 LFA 8.2m Ver 3,InnoV 7 LFA 10.3m Ver 3,InnoV 8 LFA 12.2m Ver 3,
Issue 32: Add JK Antennas JK65,JK Antennas JK67,
Issue 33: Add Maple Leaf BFM-4e6-13,
Issue 34: Add JK 68v2,JK610 v8,