The Radio Club of America (RCA), the world's oldest wireless organization, began in 1909. It was started by high school students interested in amateur radio and became the foundation for pioneers like Edwin Armstrong and David Sarnoff who shaped today's wireless industry. Tag a friend who loves radio! Watch the full video 👉 https://youtu.be/a6cX_ldft_M #RadioClub #Wireless #RCA #AmateurRadio #History #Technology | Ham Radio Prep