I am engaged in the development of antennas for various radio systems for 17 years. I have experience in the development of antennas of various classes: - small-sized in wavelenth, - broadband vibrator, - patch, - mirror, - horn, - lens, - frequency independent, - waveguide slot, - spiral, - various elements of the waveguide and microstrip, - antenna arrays of various types. I use CST and FEKO in my work.