1
California Earthquakes Disrupted HF Propagation on West Coast
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
ARRL
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
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Visit arrl.org → RSS feedOn Hacker News Aug 2016 – Oct 2026
Hardware & Electronics 15Society, Policy & Culture 11Science & Space 4
2
Radio Amateur Copies Signal from Mars-Orbiting Satellite
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
3
The first amateur radio station on the moon
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
4
A “perfect coronal mass ejection” could be a nightmare
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.