Ham College 113 - Amateur Extra Exam questions part 51 of 51
Release Date:
E0A – Safety: RF radiation hazards, hazardous materials, grounding.
49:39
Ham College 113 - Amateur Extra Exam questions part 51 of 51
E0A – Safety: RF radiation hazards, hazardous materials, grounding.
49:39
Ham College 113 - Amateur Extra Exam questions part 51 of 51