American Radio Relay League

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. Special Event Stations Mark World Amateur Radio Day, April 18
    Today, Saturday, April 18, is World Amateur Radio Day (WARD). The event celebrates the founding of the International Amateur Radio Union (IARU) on April 18, 1925, in Paris, with ARRL Co-Founder Hiram Percy Maxim, 1AW, as its first president.From the 25 countries that formed the IARU in 1925, the IARU has grown to include 160 member-societies in three regions.Radio amateurs worldwide are taking …

  2. ARRL Teachers Institute Sessions Still Accepting Applications

    The ARRL Education & Technology Program is still accepting applications for all four sessions of the ARRL Teachers Institute this summer. Apply now! The deadline is May 1.

    ARRL is offering three sessions of its “Introductory Teachers Institute on Wireless Technology” (TI-1) during the summer of 2015. Topics covered in the TI-1 course include basic electronics, radio science, microcontroller prog…

  3. Australian Ham’s “PicoSpace” Balloon Circumnavigates the Globe

    A foil, party-type balloon carrying a ham radio payload has circumnavigated the globe. Launched on April 6 by Australian radio amateur Andy Nguyen, VK3YT, of Kensington, Victoria, Australia, the balloon, designated PS-41, completed its round-the-world journey on April 16 and is still in the air. Along the way, it has been tracked by a network of Amateur Radio operators. Nguyen has been trying s…

  4. ARRL “Ham Aid” HF Gear Arrives in Micronesia in Wake of Tropical Cyclone

    An ARRL “Ham Aid” kit of HF gear has arrived in Federated States of Micronesia (FSM) as part of a relief effort in the wake of Tropical Cyclone Maysak. The Ham Aid equipment accompanied a shipment of radio gear, tools, and supplies that John Bush, KH6DLK/V63JB, took from Hawaii to FSM last week. Tropical Cyclone Maysak ravaged many of the nation’s islands in late March and early April, wreaking…

  5. The K7RA Solar Update

    Solar activity increased this week. Average daily sunspot numbers increased from 50.1 last week (April 2-8) to 65.6 in the recent (April 9-15) period. Average daily solar flux rose from 118.4 to 132.5. Geomagnetic indexes also increased.

    The latest prediction shows solar flux at 150 on April 17, 155 on April 18-20, 160 on April 21-24, 115 on April 25-26, then 120, 125 and 130 on April 27-29, 125…

  6. New ARRL Oscilloscope Book Now Available as E-Book

    ARRL’s new book Oscilloscopes for Radio Amateurs by Paul Danzer, N1II, is now available as an e-book for the Amazon Kindle.

    Oscilloscopes for Radio Amateurs is filled with practical information you’ll need for using a scope. It begins with an overview of the oscilloscope and continues on to discuss characteristics, applications, probes, controls, and input modes. If you’re considering adding th…

  7. FCC Proposes to Make Past Amateur Radio Address Information Private

    [UPDATED 2015-04-17 1400 UTC] The FCC is seeking comments on a Notice of Proposed Rule Making (NPRM) in WT Docket 15-81 that would restrict routine public inspection of an Amateur Radio licensee’s address history. The Commission said it was taking the action in an effort to enhance the privacy of individual licensees. The change would not affect public access to a licensee’s current address inf…

  8. British Astronaut to Share His ISS Experience with Students via Amateur Radio

    The UK’s first European Space Agency astronaut, Tim Peake, KG5BVI, plans to share his “Principia” mission space adventure with students on Earth via Amateur Radio. He’s invited youngsters in his country to contact him while he’s onboard the International Space Station (ISS) later this year. Peake is scheduled to head to the ISS in November for a 6-month duty tour. Nearly a year in development, …

  9. Global Amateur Radio Emergency Conference is Cancelled

    The sponsors of the 2015 Global Amateur Radio Emergency Conference (GAREC 2015) have announced that the event has been cancelled due to a lack of interest.

    Seppo Sisatto, OH1VR, said GAREC 2015 registrations were too few, and the decision was largely financial.

    GAREC 2015 was set to mark its 10th anniversary this June in Tampere, Finland, where the first GAREC was held.


  10. ARRL 600 Meter Experiment Coordinator Recommends Renewing Experimental License

    ARRL 600 Meter Experiment Coordinator Fritz Raab, W1FR, said the mission of the multi-station experimental operation “has actually been accomplished,” but since the US still has no medium-frequency (MF) Amateur Service allocation, he believes the Experimental license ought to be renewed. Raab commented in his most recent quarterly status report on the experiment, prepared with John Langridge KB…

  11. K1IW Wins April QST Cover Plaque Award

    The winner of the April 2015 QST Cover Plaque award is Bob DeMattia, K1IW, for his article “Untangling Digital Voice Above 50 MHz.”

    The QST Cover Plaque Award — given to the author or authors of the most popular article in each issue — is determined by a vote of ARRL members on the QST Cover Plaque Poll web page. Cast a ballot for your favorite article in the May issue today.


  12. ARRL, US House Members Coming Through to Support H.R. 1301
  13. IEEE 2015 International Microwave Symposium to Include Amateur Radio Presence
  14. Call for Papers: ARRL/TAPR Digital Communications Conference

    Technical papers are solicited for presentation at the 34th Annual ARRL/TAPR Digital Communications Conference (DCC), to be held October 9-11 in Chicago, Illinois. Papers will also be published in the Conference Proceedings. Authors do not need to attend the conference to have their papers included in the Proceedings. The submission deadline is August 17, 2015.

    The ARRL/TAPR Digital Communicatio…

  15. ARRL Member Input on Draft HF Band Plan Proposals Due By April 19