i'm using echolink, walang nga lang interface between my radio and pc, pero nakakapag qso ako with stations from other countries using my pc only. nakalink din ang aming club.
you can use your transceiver or pc to talk to other stations, locally or globally, using their radios or pc.
you can download the program at
http://www.echolink.org/ kaya lang kailangan ng valid amateur radio license for validation para makaconnect ka otherwise di mo rin magagamit.