Allan A. Miralles on Twitter: "My previous amateur radio call sign for class “c” http://t.co/WEnabZlCZi" / Twitter
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ROC-M Radio Course - BoaterSkills.ca
ROC-M Radio Course - BoaterSkills.ca
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How to get an amateur radio license in the Philippines (Part 1: The process) | by Angelo N2RAC/DU2XXR | N2RAC | DU2XXR Amateur Radio and Communications
Using a VHF Marine Radio
