18 de abril – Dia Mundial Radioamador – Debates Hertzianos 2023 16/04/2023 CT1END REP 635 x carregado & 41 x vizualizado Sala ZOOM: https://us06web.zoom.us/j/82193709690?pwd=MEVKN0FIWE11cS9qNFBhRE9yVDl3Zz09