Arnaldo de Jesús Coro Antich, CO2KK, Silent Key
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
Tom Kamp Coro Antich Roa Garc Horacioa Nigro Geolkiewsky Relaciones Internacionales Carlos Alberto Santamaria Gonzalez
Source: arrl.org