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The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
Updated: 55 min 56 sec ago

“Space Sailors” Seeking Download Help from Ham Radio Operators

Thu, 12/04/2025 - 11:26

Update 12/4/2025 (See original story, below.)

ChipSat Signals Received; Listeners Still Needed

Updating the story, ‘Space Sailors’ Seeking Download Help from Ham Radio Operators,” posted on December 2, 2025, Cornell University’s “ChipSat”-equipped light sail was successfully deployed on December 3 and several dozen telemetry signals from its ChipSat flight computers have been received and decoded...

LIVE YouTube Telethon to Support ARRL Teachers Institute on Wireless Technology

Wed, 11/26/2025 - 17:01

Don’t miss it! The annual YouTube telethon to raise money for the ARRL Teachers Institute on Wireless Technology will be held on Saturday, November 29, 2025, beginning at 3 PM EST / 12 PM PST, on the Ham Radio Crash Course YouTube channel, hosted by Josh Nass, KI6NAZ.

Join Nass and several other amateur radio contributors for a fun and entertaining livestream. They’ll cover a variety of amateur ...

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