Recommended average numbers for man-made noise on 432 MHz
Rural = 4.1 dB 458 K
Residential = 8.5 dB 1794 K
Tsky >  27 K              T_earth > 1794.00 K
1 x Yagi   < 4 x Yagi           >   <  1 x Yagi              > 4 x Yagi
 < H Plane         >  KF2YN
ANTENNA DESIGN: L GAIN E H Ga Tlos Ta F/R 1st SL 2nd SL Z Ohms VSWR G/Ta Driven Convergence
    λ     (dBi) (M) (M) (dBi) (K) (K) (dB) (dB) (dB) @ 432.1 @ 435MHz (dB) Element Correction req.      "S"
Based on Interactive Antenna Tables published by Lionel Edwards (VE7BQH) Issue 105, Oct 2, 2017...
KF2YN Boxkite4 0.44 13.24 1.20 0.85 19.30 4.93 183.39 26.1 21.5 none 52.5 1.10:1 -3.33 Bent Dipole Yes
KF2YN Boxkite 7 1.34 15.64 1.40 1.17 21.56 8.14 113.90 27.6 27.5 21.3 51.7 1.05:1 0.99 Bent Dipole Yes
DG7YBN GTV70-8n 1.84 13.60 1.07 0.93 19.56 4.90 124.10 24.8 16.5 21.7 49.8 1.83:1 -1.38 Bent Dipole Yes
KF2YN Boxkite 10 2.37 16.55 1.50 1.30 22.46 8.73 90.48 28.3 19.2 28.0 48.7 1.08:1 2.89 Bent Dipole Yes
InnoV 10 LFA 2.43 14.43 1.12 1.03 20.36 3.67 99.77 23.8 17.2 23.3 50.7 1.13:1 0.37 LFA-LOOP Yes
YU7EF EF7010-5 2.59 14.64 1.14 1.05 20.56 5.00 97.98 22.5 16.9 24.1 50.0 1.06:1 0.65 Dipole No
+DG7YBN GTV 70-11w 2.81 14.97 1.18 1.09 20.90 2.70 84.63 27.8 15.9 23.4 50.0 1.06:1 1.62 Bent Dipole No
YU7EF EF7011B-5 2.87 15.07 1.20 1.11 21.00 4.70 94.35 25.4 16.9 20.1 49.0 1.56:1 1.25 Dipole No
Innov 11 LFA 2.87 15.05 1.20 1.10 20.98 3.95 84.68 25.6 16.4 23.8 50.4 1.07:1 1.70 LFA-LOOP Yes
*Innov 11 LFA 2.87 15.05 1.19 1.10 20.96 3.95 84.14 25.6 16.4 23.8 50.4 1.07:1 1.71 LFA-LOOP Yes
EAntenna 432LFA11 2.94 15.09 1.20 1.11 21.02 3.93 86.74 25.4 17.0 24.9 47.9 1.28:1 1.64 LFA-LOOP Yes
*KF2YN Polly 12 CR 3.17 15.70 1.30 1.30 21.74 3.19 79.83 25.4 16.1 22.1 48.3 1.17:1 2.72 Multi-Pol loop No
InnoV 12 LFA 3.29 15.48 1.24 1.16 21.40 3.95 70.92 28.3 16.8 23.3 50.1 1.07:1 2.89 LFA-LOOP Yes
*InnoV 12 LFA 3.29 15.48 1.23 1.15 21.37 4.00 69.70 28.3 16.8 23.3 50.1 1.07:1 2.94 LFA-LOOP Yes
YU7EF EF7012B-5 3.30 15.58 1.26 1.17 21.50 4.90 78.56 24.0 17.6 21.3 48.6 1.40:1 2.55 Dipole No
EAntenna 432LFA12 3.31 15.32 1.23 1.14 21.24 4.32 80.27 28.6 16.1 24.5 50.1 1.45:1 2.19 LFA-LOOP Yes
KF2YN Boxkite 13 3.37 17.38 1.63 1.50 23.30 9.28 95.19 28.0 18.0 29.0 50.9 1.09:1 3.51 Bent Dipole Yes
Innov 13 LFA 3.72 15.92 1.31 1.23 21.85 4.50 67.24 29.5 16.5 23.2 50.1 1.15:1 3.57 LFA-LOOP Yes
*InnoV 13 LFA 3.72 15.92 1.30 1.22 21.83 4.50 66.70 29.5 16.5 23.2 50.1 1.15:1 3.59 LFA-LOOP Yes
YU7EF EF7013M-6 3.83 16.11 1.33 1.25 22.01 4.70 77.21 26.4 18.7 21.8 49.4 1.06:1 3.13 Dipole No
M2 432-12EME 3.98 16.22 1.39 1.32 22.11 3.92 121.10 19.7 12.3 16.0 200.4 1.49:1 1.28 Folded Dipole Yes
*M2 432-12EME 3.98 16.22 1.42 1.37 22.17 3.92 123.24 19.7 12.3 16.0 200.4 1.49:1 1.26 Folded Dipole Yes
F9FT 19 4.02 15.96 1.33 1.26 21.88 6.07 104.81 21.5 14.1 17.5 55.7 1.14:1 1.68 Folded Dipole Yes
DG7YBN Tonna 19 mod 4.02 16.17 1.35 1.27 22.07 6.07 74.98 22.4 14.3 18.7 44.7 1.15:1 3.32 Folded Dipole Yes
InnoV 14 LFA 4.03 16.46 1.38 1.32 22.31 4.50 66.65 30.8 16.0 22.3 52.6 1.14:1 4.07 LFA-LOOP Yes
*InnoV 14 LFA 4.03 16.46 1.36 1.29 22.26 4.50 65.63 30.6 16.0 22.3 52.6 1.14:1 4.09 LFA-LOOP Yes
+DG7YBN GTV70-14 4.06 16.38 1.38 1.31 22.31 3.80 74.37 26.9 15.9 20.6 49.4 1.51:1 3.60 Bent Dipole No
YU7EF EF7014M-6 4.24 16.50 1.39 1.32 22.39 4.50 80.14 23.8 17.9 20.5 49.5 1.11:1 3.35 Dipole No
RA3AQ AQ70-14f 4.30 16.63 1.41 1.34 22.54 6.94 72.13 26.1 15.9 20.0 52.8 1.09:1 3.96 Folded Dipole Yes
KF2YN Boxkite 16 4.37 18.02 1.74 1.61 23.85 10.17 100.66 27.4 17.0 25.0 49.1 1.06:1 3.82 Bent Dipole Yes
*KF2YN Polly 15 CR 4.44 16.76 1.40 1.40 22.66 3.50 67.51 26.7 16.3 20.3 47.4 1.21:1 4.37 Multi-pol loop No
I0JXX 16JXX70 old ver 4.46 16.53 1.41 1.33 22.44 4.86 80.17 23.4 16.6 21.3 201.8 1.05:1 3.40 T Match Yes
I0JXX 32JXX70 XPOL H new ver 4.46 16.28 1.37 1.37 22.17 5.94 120.95 18.6 15.0 18.0 206.6 1.03:1 1.34 T Match Yes
I0JXX 32JXX70 XPOL V new ver 4.46 16.28 1.37 1.37 22.18 4.38 123.03 18.6 15.0 18.0 206.6 1.03:1 1.28 T Match Yes
EAntenna 432LFA15 4.58 15.66 1.22 1.14 21.36 4.03 56.20 29.2 26.2 29.1 48.4 1.25:1 3.86 LFA-LOOP Yes
InnoV 15 LFA 4.59 16.68 1.42 1.34 22.57 4.77 61.14 31.1 15.8 22.1 51.1 1.08:1 4.71 LFA-LOOP Yes
CQM7016DX 4.64 16.79 1.43 1.34 22.69 1.32 65.98 26.3 17.6 21 50.3 1.39:1 4.5 Dipole No
YU7EF EF7015M-5 4.69 16.80 1.43 1.36 22.66 5.40 78.20 24.3 19.0 21.1 49.5 1.03:1 3.73 Dipole No
Konni F20 4.77 16.69 1.44 1.36 22.61 1.74 81.84 21.9 14.0 16.4 210.7 1.06:1 3.48 Folded Dipole Yes
WiMo 15 (YU7EF) 4.89 17.06 1.46 1.30 22.87 4.30 63.26 22.3 17.2 20.8 174.5 3.05:1 4.86 Folded Dipole Yes
InnoV 16 LFA 5.19 17.27 1.50 1.43 23.15 4.77 59.59 29.3 18.1 23.3 48.4 1.19:1 5.40 LFA-LOOP Yes
+DG7YBN GTV70-17w 5.23 17.29 1.51 1.44 23.20 3.00 65.20 31.5 14.7 20.8 49.9 1.03:1 5.06 Bent Dipole No
InnoV 17 LFA 5.33 17.25 1.49 1.42 23.11 4.28 61.20 27.4 18.1 23.5 49.9 1.03:1 5.24 LFA-LOOP Yes
*InnoV 17 LFA 5.33 17.25 1.45 1.45 23.11 4.28 60.67 27.4 18.1 23.5 49.9 1.03:1 5.28 LFA-LOOP Yes
YU7EF EF7017M-5 5.56 17.41 1.52 1.44 23.22 5.60 76.34 25.0 18.5 22.3 50.7 1.06:1 4.39 Dipole No
CQM7018DX 5.62 17.5 1.54 1.54 23.44 1.6 63 26.9 16.3 22.5 49.2 1.45:1 5.45 Dipole No
*KF2YN Polly 18 CR 5.69 17.79 1.95 1.95 23.96 3.70 73.14 28.3 14.8 20.0 48.1 1.18:1 5.32 Multi-Pol loop No
RA3AQ AQ70-18f 5.74 17.76 1.59 1.53 23.64 6.08 70.23 27.2 16.1 20.5 51.7 1.08:1 5.17 Folded Dipole Yes
InnoV 18 LFA 5.76 17.49 1.52 1.45 23.33 4.28 57.51 28.2 18.5 24.8 49.8 1.05:1 5.73 LFA-LOOP Yes
+DG7YBN GTV70-19 5.93 17.80 1.60 1.54 23.68 3.60 63.37 29.6 15.4 20.2 49.3 1.28:1 5.66 Bent Dipole No
+Konni F20 Mod YBN 5.94 17.52 1.58 1.51 23.39 1.47 83.68 23.2 14.3 16.0 220.4 1.07:1 4.16 Folded Dipole Yes
YU7EF EF7018M-5 6.00 17.61 1.54 1.48 23.39 5.10 69.21 26.4 17.7 22.6 49.3 1.08:1 4.99 Dipole No
K1FO 22 6.10 17.85 1.63 1.56 23.75 4.75 80.60 20.6 15.4 21.2 200.8 1.34:1 4.69 T Match Yes
EAntenna 432LFA18 6.13 17.88 1.61 1.55 23.76 5.60 56.69 30.4 16.0 26.2 47.6 1.42:1 6.22 LFA-LOOP Yes
YU7EF EF7019B-5 6.43 17.91 1.60 1.54 23.72 5.70 72.19 25.7 17.8 23.4 50.5 1.12:1 5.14 Dipole No
KF2YN Polly 20 CR 6.50 18.30 1.90 1.90 24.43 3.80 71.14 28.7 14.4 19.5 48.8 1.21:1 5.91 Multi-Pol loop No
InnoV 19 LFA 6.54 18.18 1.68 1.63 24.10 5.02 56.08 34.3 15.0 20.1 47.6 1.09:1 6.61 LFA-LOOP Yes
Tonna 21 DX 6.61 17.91 1.67 1.61 23.80 6.65 114.75 20.5 14.5 18.2 58.4 2.32:1 3.20 Folded Dipole Yes
KF2YN Boxkite 22 6.70 19.26 1.99 1.90 25.14 10.75 92.99 29.0 16.2 21.2 52.1 1.17:1 5.46 Bent Dipole Yes
InnoV 20 LFA 6.99 18.28 1.73 1.67 24.31 5.02 50.30 35.2 15.1 20.7 50.5 1.09:1 7.29 LFA-LOOP Yes
+YU7XL QY721104D14 7.04 18.42 1.88 1.82 24.47 3.40 51.85 27.7 18.5 22.8 201.1 1.28:1 7.32 LFA 200 Ώ Yes
CQM7022DX 7.06 18.28 1.67 1.54 24.11 0.91 55.67 26.6 18.6 20.8 49.1 1.48:1 6.65 Dipole No
RA3AQ AQ70-21f 7.14 18.54 1.73 1.67 24.41 6.94 57.99 27.9 16.8 21.3 52.3 1.07:1 6.78 Folded Dipole Yes
BVO70-7.2 WL modified 7.16 18.49 1.76 1.70 24.42 3.80 80.78 22.6 14.9 19.1 49.5 1.06:1 5.35 Dipole No
Directive DSEFO432-25 7.39 18.57 1.74 1.69 24.47 5.09 65.66 25.4 15.9 20.5 198.2 1.38:1 6.30 T Match Yes
*Directive DSEFO432-25  7.39 18.57 1.78 1.68 24.47 4.90 65.44 25.4 15.9 20.5 198.2 1.38:1 6.31 T Match Yes
Directive DSEFO432-25XPOL H 7.39 18.57 1.73 1.73 24.48 5.11 65.15 25.4 15.9 20.5 198.2 1.38:1 6.34 T Match Yes
Directive DSEFO432-25XPOL V 7.39 18.57 1.73 1.73 24.48 5.40 64.92 25.4 15.9 20.5 198.2 !.38:1 6.36 T Match Yes
+DG7YBN GTV70-23 7.55 18.65 1.76 1.70 24.51 3.80 53.47 32.3 15.7 21.8 48.4 1.56:1 7.23 Bent Dipole Yes
YU7EF EF7021B-5 7.59 18.66 1.74 1.68 24.50 7.80 61.88 29.6 20.3 21.7 50.2 1.33:1 6.58 Dipole No
I0JXX 25JXX70 7.91 18.53 1.74 1.68 24.41 5.61 72.40 23.9 21.3 24.8 198.6 1.12:1 5.81 T Match Yes
KF2YN Polly 24 CR 8.15 19.15 1.90 1.90 25.11 3.70 71.00 29.5 13.1 19.1 51.8 1.14:1 6.60 Multi-Pol loop No
+YU7XL QY724104D17 8.35 19.01 2.00 1.90 24.99 3.40 51.31 31.7 18.7 22.8 199.0 1.23:1 7.89 LFA 200 Ώ Yes
+DG7YBN GTV70-25 8.39 18.97 1.80 1.74 24.84 3.20 48.36 32.6 16.3 22.1 41.2 1.25;1 8.00 Bent Dipole No
InnoV 23 LFA  8.40 19.16 1.87 1.82 25.08 5.59 48.27 31.8 15.9 21.7 45.2 1.23:1 8.24 LFA-LOOP Yes
*InnoV 23 LFA 8.40 19.16 1.89 1.85 25.06 5.59 48.27 31.8 15.9 21.7 45.2 1.23:1 8.22 LFA-LOOP Yes
DJ9BV BVO70-8.5wl 8.43 19.14 1.95 1.90 25.13 5.00 98.52 24.3 14.9 17.8 203.9 1.45:1 5.19 Folded Dipole Yes
DJ9BV OPT70-8.5wl 8.44 19.04 1.80 1.75 24.87 4.88 81.80 23.2 15.8 20.1 186.1 1.56:1 5.74 Folded Dipole Yes
EAntenna 432LFA23 8.44 18.96 1.90 1.84 24.89 8.05 46.62 32.0 14.2 30.9 47.8 3.99:1 8.20 LFA-LOOP Yes
YU7EF EF7023B-5 8.47 18.98 1.79 1.73 24.78 6.39 55.90 30.5 19.6 21.9 48.6 1.21:1 7.31 Dipole No
RA3AQ AQ70-24f 8.52 19.22 1.87 1.82 24.82 6.07 50.84 30.0 15.1 21.0 52.0 1.13:1 7.76 Folded Dipole Yes
InnoV 24 LFA 8.89 19.32 1.92 1.87 25.25 5.87 46.42 33.4 15.3 22.1 46.4 1.19:1 8.58 LFA-LOOP Yes
*InnoV 24 LFA 8.89 19.32 1.89 1.84 25.22 5.87 45.89 33.4 15.3 22.1 46.4 1.19:1 8.60 LFA-LOOP Yes
YU7EF EF7024B-5 8.90 19.19 1.84 1.79 25.02 7.50 58.23 30.3 20.5 22.4 50.1 1.60:1 7.37 Dipole No
M2 432-9WLA 9.19 19.40 2.02 1.96 25.33 7.22 119.39 23.2 15.8 18.1 167.2 2.09:1 4.56 Folded Dipole Yes
*M2 432-9WLA 9.19 19.40 1.83 1.88 25.23 6.98 102.49 23.2 15.8 18.1 167.2 2.09:1 5.12 Folded Dipole Yes
+YU7XL QY728107D21 10.01 19.64 2.22 2.06 25.65 3.40 51.85 28.6 19.1 24.1 198.1 1.29:1 8.50 LFA 200 Yes
YU7EF EF7027B-5 10.18 19.67 1.94 1.89 25.47 7.80 61.35 25.6 20.0 23.2 50.3 1.64:1 7.59 Dipole No
Hy-Gain UB-7031DX 10.42 19.54 1.92 1.86 25.33 5.24 76.26 26.2 18.3 21.1 199.5 1.26:1 6.51 T Match Yes
WiMo 27 (YU7EF) 10.43 19.43 1.85 1.80 25.08 4.30 49.61 27.1 20.5 22.6 191.8 2.72:1 8.12 Folded Dipole Yes
+DG7TYBN GTV70-30 10.49 19.74 1.94 1.89 25.58 3.90 43.43 32.9 18.9 26.0 42.5 1.276:1 9.20 Bent Dipole No
K1FO 33 10.61 20.03 2.08 2.04 25.95 6.13 65.59 22.0 15.5 22.2 200.5 1.19:1 7.78 T Match Yes
Directive DSEFO432-33 10.61 20.03 2.08 2.04 25.95 6.13 65.59 22.0 15.5 22.2 200.5 1.19:1 7.78 T Match Yes
RA3AQ AQ70-30f 11.39 20.33 2.08 2.04 26.08 5.53 46.10 30.6 16.8 22.1 51.6 1.10:1 9.44 Folded Dipole Yes
InnoV 30 LFA  11.64 20.45 2.27 2.22 26.42 6.67 57.17 36.6 13.9 20.3 49.6 2.38:1 8.85 LFA-LOOP Yes
*YU7EF EF7032-5 12.49 19.97 1.94 1.90 25.59 6.60 53.69 27.7 23.1 24.2 51.3 3.44:1 8.29 Dipole No
InnoV 33 LFA 13.03 20.85 2.32 2.29 26.81 5.33 52.72 36.6 13.3 19.2 50.1 1.17:1 9.59 LFA-LOOP Yes
DJ9BV OPT70-13wl 13.29 20.85 2.35 2.29 26.80 5.15 78.33 25.9 14.8 19.7 183.0 1.44:1 7.86 Folded Dipole Yes
M2 432-13WLA 13.29 20.81 2.32 2.28 26.69 7.16 116.73 22.4 19.2 20.9 199.9 2.35:1 6.02 Folded Dipole Yes
*M2 432-13WLA 13.29 20.81 2.08 2.08 26.40 7.77 126.09 22.4 19.2 20.9 199.9 2.35:1 5.39 Folded Dipole Yes
I0JXX 39JXX70 13.53 20.16 2.00 1.97 25.86 6.30 60.00 26.1 26.7 27.0 194.0 1.19:1 8.08 T Match Yes
InnoV 34 LFA 13.54 20.89 2.46 2.43 26.87 7.47 59.57 37.0 12.7 17.9 49.4 3.05:1 9.12 LFA-LOOP Yes
InnoV 35 LFA 14.00 20.95 2.46 2.43 26.93 7.46 58.54 36.7 12.7 18.1 49.1 2.69:1 9.26 LFA-LOOP Yes
InnoV 38 LFA 15.41 21.45 2.30 2.35 27.23 6.89 46.99 36.9 12.7 17.0 49.3 1.87:1 10.51 LFA-LOOP Yes
*InnoV 38 LFA 15.41 21.45 2.59 2.56 27.26 6.33 45.86 36.9 12.7 17.0 49.3 1.87:1 10.65 LFA-LOOP Yes
InnoV 40 LFA 16.23 21.67 2.69 2.66 27.67 7.46 47.62 37.8 12.6 17.2 48.0 2.27:1 10.89 LFA-LOOP Yes