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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: 1 hour 42 min ago

First Solar Image from Hawaii Observatory Shows Close-Up of a Sunspot

Wed, 12/09/2020 - 14:12

The world’s largest solar observatory, National Science Foundation (NSF) Daniel K. Inouye Solar Telescope in Hawaii, has released its first image of a sunspot, capturing the phenomenon in striking detail. The image, taken last January, is among the first solar images of the new Solar Cycle 25. The telescope’s 4-meter primary mirror will give the best views of the sun from Earth throughout the n...

Lee Finkel, KY7M, Announced as New Editor of National Contest Journal

Wed, 12/09/2020 - 13:06

Lee Finkel, KY7M, of Phoenix, Arizona, will begin his tenure as Editor of National Contest Journal (NCJ) with the magazine’s January/February issue. Now an ARRL publication, NCJ is in its 48th year. Finkel, the 17th Editor, takes over the reins from Scott Wright, KØMD, a noted and regular amateur radio contester, who has helmed NCJ since January 2017.

“My hope is that I will be able to build on ...

Geomagnetic Storm Watches Are in Effect through December 11

Wed, 12/09/2020 - 07:12

NOAA’s Space Weather Prediction Center (SWPC) reports that geomagnetic storm watches are in effect through December 11, due to the effects of a direct coronal mass ejection (CME) collision with the Earth’s magnetosphere from December 9 until December 11. The CME eruption was associated with a C7 solar flare erupting from Sunspot Region 2790 on December 7.

Arrival of a shock wave associated with...

New Antenna Physics Book from ARRL!

Mon, 12/07/2020 - 11:16

Written to bridge the gap between basic theory and graduate-level engineering texts, the second edition of Antenna Physics: An Introduction includes new material to help you better understand the complexities of antenna theory.

World-recognized antenna technology authority Robert J. Zavrel, Jr., W7SX, is your guide to grasping a deeper understanding of how antenna systems function. In this book,...

The K7RA Solar Update

Fri, 12/04/2020 - 07:47

Tad Cook, K7RA, Seattle, reports: Sunspot Cycle 25 is 1 year old, and increasing solar activity continues to surprise and amaze.

Average daily sunspot numbers more than doubled every week over the past few weeks. Two weeks ago, we reported average daily sunspot numbers of 12. Last week, the average was 27.9. This week the average daily sunspot number at sits at 57.6.

In the past week the highest ...

Launch Window for AMSAT's RadFxSat-2 / Fox-1E Opens on December 19

Thu, 12/03/2020 - 12:59

The launch that will carry AMSAT’s RadFxSat-2 / Fox-1E CubeSat into orbit will likely take place later this month. Virgin Orbit has announced that the launch window for their LauncherOne Launch Demo 2 mission, which will carry the AMSAT spacecraft into orbit, opens on December 19. RadFxSat-2 is the fifth and final Fox-1 satellite built by AMSAT.

Like RadFxSat / Fox-1B (now AMSAT-OSCAR 91RadFxSat...

FCC to Require Email Addresses on Applications

Wed, 12/02/2020 - 12:51

Amateur radio licensees and candidates will have to provide the FCC with an email address on applications, effective sometime in mid-2021. If no email address is included, the FCC may dismiss the application as defective.

The FCC is fully transitioning to electronic correspondence and will no longer print or provide wireless licensees with hard-copy authorizations or registrations by mail.

A Repo...

December is YOTA Month

Wed, 12/02/2020 - 07:49

The month of December has been designated as YOTA month. The annual initiative sponsored by Youngsters on the Air (YOTA) initially focused on International Amateur Radio Union (IARU) Region 1 (Europe, the Mideast, and Africa), with young radio amateurs taking to the air with YOTA-suffix call signs. YOTA (Youth on the Air) in Region 2 (the Americas) is following step, and K8Y, K8O, K8T, and K8A ...

Arecibo Observatory Instrument Platform Falls into Iconic Dish

Tue, 12/01/2020 - 19:29

The 900-ton instrument platform of the 305-meter radio telescope at Arecibo Observatory in Puerto Rico fell some 400 feet Tuesday morning, crashing into the huge, already-damaged dish below, the National Science Foundation (NSF) reported in a December 1 Tweet. “No injuries were reported,” NSF said, adding that it is still assessing the situation. “Our top priority is maintaining safety.” The ca...

FCC Chairman Ajit Pai Departing Commission

Mon, 11/30/2020 - 15:55

FCC Chairman Ajit Pai has announced that he intends to leave the Commission on January 20, 2021, as the Biden Administration comes into office. The FCC chairman is appointed by the president.

“It has been the honor of a lifetime to serve at the Federal Communications Commission, including as Chairman of the FCC over the past 4 years,” Pai said. “I am grateful to President Trump for giving me the...

RadioShack Purchased by Online Retailer

Mon, 11/30/2020 - 15:47

RadioShack® is back as an online retailer of electronics, offering some parts in its inventory that largely consists of radios, batteries, telephone gear, drones, computer accessories, and even cameras. The iconic company was recently purchased from General Wireless by Retail Ecommerce Ventures (REV).

No plans are in place to reopen RadioShack-owned stores, although some 400 brick-and-mortar out...

Powerful Solar Flare, Coronal Mass Ejection Occur on November 29

Mon, 11/30/2020 - 15:45

A solar flare from massive solar region 2786 at 1311 UTC on Sunday, November, 29, was the most powerful solar flare and coronal mass ejection (CME) so far during the new Solar Cycle 25.

The sun’s activity is now rapidly increasing after a slow increase in activity this year following solar minimum a year ago.

While the flare and CME, which erupted from just behind the southeast solar limb, was no...

The K7RA Solar Update

Fri, 11/27/2020 - 11:02

Tad Cook, K7RA, Seattle, reports: Over the past week our sun has been quite active, with rising sunspot numbers and solar flux showing strong evidence that Solar Cycle 25 is progressing.

Average daily sunspot number rose from 12 last week to 27.9 in the current week, while solar flux rose to a high of 103.7, bringing average daily solar flux up from 79.8 to 90.1.

Average daily planetary A index r...

ARRL Asks FCC to Allow 3.4-GHz Operation until Spectrum is Occupied

Thu, 11/26/2020 - 07:55

In comments to the FCC, ARRL has argued that radio amateurs be allowed to continue shared operation in the 3.4 GHz band until 5G licensees who purchase the spectrum when the FCC puts it up for auction initiate incompatible operations. In its Further Notice of Proposed Rulemaking (FNPRM) in WT Docket 19-348, the FCC had proposed to sunset the band for amateur radio in two phases, governed by whe...

Yasme Foundation Announces Excellence Awards

Thu, 11/26/2020 - 07:54

The Yasme Foundation has announced the latest recipients of the Yasme Excellence Award. They are Brett Ruiz, PJ2BR, and Helena Ruiz, PJ2ZZ; Bob Wilson, N6TV; Jari Perkiömäki, OH6BG, and Jim Brown, K9YC. The Yasme Excellence Award recognizes individuals and groups who, through their own service, creativity, effort, and dedication, have made a significant contribution to amateur radio. This may b...

Coast Guard Proposes to Discontinue HF Voice Watchkeeping

Wed, 11/25/2020 - 11:11

The US Coast Guard has invited comments by January 21, 2021, on a proposal to discontinue HF voice watchkeeping. The proposal appeared on November 20 in the Federal Register. The USCG proposes to cease monitoring 4125, 6215, 8291, and 12,290 kHz, in the contiguous US and Hawaii, due to a lack of activity.

“We believe this change would have a low impact on the maritime public, as commercial satel...

Universal Radio Announces Closing

Wed, 11/25/2020 - 11:05

Ham Radio retailer Universal Radio, headquartered in Worthington, Ohio, is closing its store on November 30, although all existing orders will be filled, and the Universal Radio website will remain open to sell off “remaining stock, publications, and some select products.” Owners Fred Osterman, N8EKU, and Barbara Osterman, KC8VWI, are retiring.

“I am very fortunate to have been in the radio busi...