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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: 3 hours 25 min ago

Support ARRL as You Shop Amazon Smile for Father’s Day

Mon, 06/10/2019 - 16:14

Father's Day is Sunday, June 16. If you’re looking for the perfect gift, we invite you to shop at AmazonSmile and choose American Radio Relay League Inc. (ARRL) as your charity of choice. With every purchase you make at AmazonSmile, Amazon will make a contribution to ARRL. This helps the League to extend its reach in public service, advocacy, education, technology, and membership. Amazon has a ...

N1MM Logger+ Announces a New Website

Mon, 06/10/2019 - 15:01

Popular Amateur Radio contest logging software N1MM Logger+ has a new website. Changes include fewer pages, better search capability and bug/issue-tracking visibility and reporting, and a comprehensive, easier-to-use listing of all supported contests. The N1MM Logger+ online manual now consists of 31 web pages, reduced from the previous website’s 104. An expanded menu eases navigation to the de...

Wireless Power Transmission Provokes Discussion in ITU-R Study Group

Mon, 06/10/2019 - 14:53

The emerging wireless power transmission (WPT) technology and associated applications came in for closer scrutiny during the May/June meeting of International Telecommunication Union Radiocommunication Sector (ITU-R) Study Group 1 and its Working Parties. Participants wrapped up 7 days of sessions in Geneva on June 7, with International Amateur Radio Union Region 1 (IARU-R1) Region 1 President ...

The Latest Episode of ARRL Audio News is Available

Fri, 06/07/2019 - 16:41

Listen to the new episode of ARRL Audio News on your iOS or Android podcast app, or online at Audio News is also retransmitted on a number of FM repeaters. Click here and then scroll down to see the list.

The K7RA Solar Update

Fri, 06/07/2019 - 13:23

According to, as of June 5 there have been no sunspots for 17 days in a row. Average daily solar flux went to 69.5 this reporting week (May 30 through June 5) from 67.4 in the previous seven days. Average daily planetary A index declined from 7.3 to 5.6, while mid-latitude A index went from 8.1 to 5.

Last week I mentioned that sunspots should return soon, based on the predicted ...

New FT4 Beta Release “Leaps and Bounds” Better than Earlier Iterations

Thu, 06/06/2019 - 19:44
User reports have been favorable in the wake of the release of another new beta version of the FT4 protocol by the WSJT-X Developoment Group this week. WSJT-X 2.1.0-rc7, which is now available for testing, is not compatible with any previous FT4 releases. A short mock contest session to wring out the contesting features of FT4 took place on June 4.

“Thanks to all who participated in yesterday’s ...

AMSAT President Joe Spier, K6WAO, Awarded Russian E.T. Krenkel Medal

Thu, 06/06/2019 - 19:40

AMSAT President and ARRL Life Member Joe Spier, K6WAO, has been awarded Russia’s E.T. Krenkel Medal, a prestigious honor bestowed on individuals and organizations for outstanding global contributions to Amateur Radio. A longtime supporter of Amateur Radio in space and of international cooperation, Spier has also served AMSAT as Executive Vice President, and Vice President, Educational Relations...

The Doctor Will See You Now!

Thu, 06/06/2019 - 12:00

Saturday, June 15, is Kids Day

Wed, 06/05/2019 - 20:37

The next Kids Day is Saturday, June 15. That’s the day to get youngsters on the air to share in the joy and fun that Amateur Radio has to offer. Kids Day gets under way on Saturday, June 15 at 1800 UTC and concludes at 2359 UTC. Sponsored by the Boring (Oregon) Amateur Radio Club, this event has a simple exchange, suitable for younger operators: first name, age, location, and favorite color. Af...

New Beta Version of FT4 Now Available, Mock Contest Session Just Ahead

Sun, 06/02/2019 - 22:47

The WSJT-X Development Group has announced that a new beta version of the FT4 protocol now is available for testing in WSJT-X 2.1.0-rc6. The FT4 included in this “release candidate 6” version is not compatible with any previous release.

“Therefore, please stop using WSJT-X 2.1.0-rc5,” the announcement said. “If you wish to use FT4 after today (June 2) or to take advantage of other recent program...

The Latest Episode of ARRL Audio News is Available

Fri, 05/31/2019 - 18:19

Listen to the new episode of ARRL Audio News on your iOS or Android podcast app, or online at Audio News is also retransmitted on a number of FM repeaters. Click here and then scroll down to see the list.


The K7RA Solar Update

Fri, 05/31/2019 - 15:03

No sunspots appeared over this past reporting week, May 23-29.

Compared to the previous seven days, average daily solar flux dropped from 69.8 to 67.4. Average daily planetary A index increased from 5 to 7.3, and average mid-latitude A index went from 6.1 to 8.1.

Predicted solar flux over the next 45 days is 70 on May 31, 71 on June 1, 72 on June 2-6, 76 on June 7-10, 74 on June 11, 72 on June 12...

Emergency Messaging Demonstration for Red Cross, FEMA is a Success

Thu, 05/30/2019 - 22:35

With Red Cross and Federal Emergency Management Agency (FEMA) officials monitoring, dozens of radio amateurs along the US east coast on May 23 demonstrated Amateur Radio’s ability to deliver messages without commercial power, infrastructure, or permanently established stations. The event took place in coordination with ARRL. The demonstration was a mock response to a simulated disaster scenario...

So Now What? Podcast

Thu, 05/30/2019 - 12:00

“Getting In on Field Day” is the focus of the new (May 30) episode of the So Now What? podcast for Amateur Radio newcomers. If you’re a newly licensed Amateur Radio operator, chances are you have lots of questions. This biweekly podcast has answers! So Now What? offers insights from those who’ve been just where you are now. New episodes will be posted every other Thursday, alternating new-episo...

The Doctor Will See You Now!

Wed, 05/29/2019 - 19:54