model ("2m-3el-yagi") {

real refl_dist, refl_len, dir_dist, dir_len, main_len, main_height, height, gauge;
element top, bottom, left, right, reflector, director;

height = 1;
gauge = #2;

// Gain: 9.26 dBi, F/B: 12.43 dB
main_height = 0.020;
main_len    = 0.930;
refl_dist   = 0.350;
refl_len    = 0.995;
dir_dist    = 0.450;
dir_len     = 0.915;

top = wire(0, -main_len/2, height, 0, main_len/2, height, gauge, 21);
left = wire(0, -main_len/2, height, -main_height, -main_len/2, height, gauge, 3);
right = wire(0, main_len/2, height, -main_height, main_len/2, height, gauge, 3);
bottom = wire(-main_height, -main_len/2, height, -main_height, main_len/2, height, gauge, 21);

reflector = wire(-refl_dist, -refl_len/2, height, -refl_dist, refl_len/2, height, gauge, 21);
director = wire(dir_dist, -dir_len/2, height, dir_dist, dir_len/2, height, gauge, 21);

voltageFeed(bottom, 1.0, 0.0);

azimuthPlotForElevationAngle(15);
elevationPlotForAzimuthAngle(0);

 setFrequency(145);
// frequencySweep(134, 156, 30); // SWR < 2

freespace();
// averageGround();

}