The K1FO High Performance 22 Element 432 MHz Yagi
Free Space
432 MHz
22 wires, millimeters
10  30 -171.0 0    30 171.0 0  .1875"
8  134 -168.0 0   134 168.0 0  .1875"
8  176 -158.5 0   176 158.5 0  .1875"
8  254 -153.5 0   254 153.5 0  .1875"
8  362 -150.5 0   362 150.5 0  .1875"
8  496 -148.5 0   496 148.5 0  .1875"
8  652 -146.5 0   652 146.5 0  .1875"
6  828 -145.5 0   828 145.5 0  .1875"
6 1020 -144.5 0  1020 144.5 0  .1875"
6 1226 -143.5 0  1226 143.5 0  .1875"
6 1444 -142.5 0  1444 142.5 0  .1875"
6 1672 -141.5 0  1672 141.5 0  .1875"
6 1909 -140.5 0  1909 140.5 0  .1875"
6 2152 -140.0 0  2152 140.0 0  .1875"
6 2403 -139.5 0  2403 139.5 0  .1875"
6 2659 -139.0 0  2659 139.0 0  .1875"
6 2920 -138.5 0  2920 138.5 0  .1875"
6 3184 -138.0 0  3184 138.0 0  .1875"
6 3452 -137.5 0  3452 137.5 0  .1875"
6 3723 -137.0 0  3723 137.0 0  .1875"
6 3997 -136.5 0  3997 136.5 0  .1875"
6 4272 -136.0 0  4272 136.0 0  .1875"
1 source
13,100,0
0 loads

From QST Dec. 1987 & Jan. 1988.  MININEC was used during the development of
this antenna.  The gain should come out 15.7 dBd, the F/B 22 dB, and the max
sidelobe should be down about 17.5 dB.  Dimensions for a nonconducting boom
were used here.