American Radio Relay League | Ham Radio Association and Resources

The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
  1. The K7RA Solar Update

    The Sun just finished an extended period (16 days) of zero sunspots. There were none on March 4, one visible on March 5, then none on March 6-20. Finally, one sunspot group appeared on March 21-23, with a sunspot number of 12 on all three days.

    A sunspot number of 12 does not mean there were 12 sunspots. Every group of sunspots counts as 10 points, and every sunspot within those groups counts f...

  2. ARRL "60-Second Century" Videos Preview QST Editorials

    ARRL CEO Tom Gallagher, NY2RF, is now supplementing each of his QST "Second Century" editorials with a "60-Second Century" video. These videos offer a glimpse of the content in each month's QST editorial.

    ARRL began producing "60-Second Century" with the March QST editorial, and each video is posted on the ARRL YouTube channel, as well as made available through ARRL social media platforms (Face...

  3. The Doctor Will See You Now!

    Remote Antenna Tuners” is the topic of the latest episode of the “ARRL The Doctor is In” podcast. Listen...and learn!

    Sponsored by DX Engineering, “ARRL The Doctor is In” is an informative discussion of all things technical. Listen on your computer, tablet, or smartphone -- whenever and wherever you like!

    Every 2 weeks, your host, QST Editor-in-Chief Steve Ford, WB8IMY, and the Doctor himself, J...

  4. AM Rally on April 1-3 Weekend an Opportunity to Try a Vintage Mode

    If you’re not familiar with full-carrier amplitude modulation (AM) or have never used it on the air, you’ll have a chance during the AM Rally during the April 1-2 weekend, on the bands between 160 and 10 meters (except 30, 17, and 12 meters) plus 6 meters.

    Once the primary voice mode on the ham bands, AM eventually gave way to SSB, a form of AM. Yet AM has remained popular among dedicated radio ...

  5. Mayors, Commissioners of Clark County, Nevada, Salute Amateur Radio

    Nevada mayors Carolyn Goodman of Las Vegas, John Lee of North Las Vegas, and Andy Hafen of Henderson have joined the Clark County Board of Commissioners in proclaiming March 26 to April 2 as “NVCON Week,” recognizing the ARRL Nevada State Convention (NVCON), March 31-April 2.

    The community leaders encouraged the citizens of their respective localities to pay tribute to the area’s Amateur Radio o...

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