TY JOUR TI PLANAR BROADBAND POWER SUPPLY FOR A CIRCULAR POLARIZED ANTENNA OF THE GLOBAL NAVIGATION SATELLITE SYSTEM KW antenna KW circular polarization KW phase shifter KW planar broadband power supply circuit KW circuit design JO Operation of Maritime Transport AU Tyufanova, A.A. PY 2022 IS PB Budget Educational Institution of Higher Education “Admiral Ushakov State Maritime University”