World Amateur Radio Day on April 18 amplifies United States Awareness of spectrum stewardship through Activities that blend Fun with emergency preparedness. Operators commemorate the 1925 founding of the IARU by activating special-event stations, demonstrating HF propagation, Morse proficiency, and digital modes like FT8. Clubs host foxhunts, antenna workshops, and satellite QSO attempts that demystify ionospheric skip and Doppler shift. It’s physics with a callsign. EmComm teams showcase ARES/RACES deployments, illustrating how ham networks maintain continuity when infrastructure fails. By celebrating technical experimentation and civic utility, the day affirms amateur radio as both hobby and resilient communications backbone.
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