Recent content by ARRL

The 21st annual ARRL Online Auction opens October 16, and you can preview more than 200 items now. This year’s selection includes gear from QST “Product Review” articles, vintage books, pre-owned equipment, signed original sketches by Salty Walt Hudson, K4OGO, from Salty Walt’s Portable Antenna...

Updated Friday, October 9, 2026 @ 10 AM EDT Update - Oct. 9, 1330 UTC The Hurricane Watch Net is up and running on both 14.325 and 7.268 MHz due to propagation conditions. Hurricane Isaias has increased in strength to Category 3 with maximum sustained winds of 120 miles per hour, making it...

ARRL The National Association for Amateur Radio® will close our headquarters at 12 PM Eastern time on Friday, October 9, 2026, for a staff event. The ARRL Headquarters lobby and store, as well as W1AW, will be open to visitors from 8 AM to 12 PM EDT. Members are reminded that many transactions...

The National Hurricane Center (NHC) has issued public advisories for Tropical Storm Isaias, which is forecast to pass north of the Yucatan Peninsula on Thursday, October 8, 2026, and approach the U.S. northern Gulf Coast on Friday. Landfall is anticipated late Friday night into Saturday morning...

The Hurricane Watch Net (HWN) is closely monitoring Invest 92L, which is expected to become Tropical Storm Isaias in the next 24 hours. According to HWN Manager Bobby Graves, KB5HAV, the potential area of concern for this storm is a wide swath of the Gulf coast, extending from Louisiana to...

Get ready to contact college and university radio clubs during this weekend’s Collegiate QSO Party, 0000 UTC October 3 through 2359 UTC ImageOctober 4 (Friday evening through Sunday in the US). Students, faculty, staff, and alumni will be on the air using the call sign of a college, university...

We are saddened to report this week on the passing of four well-known amateurs, including two members of the extended “ARRL family.” Longtime ARRL Rhode Island Section Manager Robert George “Bob” Beaudet, W1YRC, became a Silent Key on September 10, 2026, at age 88. An ARRL Life Member...

ARRL CEO David Minster, NA2AA, was a guest on episode 103 of The DX Mentor, which aired September 19, 2026. Hosted by Bill Salyers, AJ8B, with Joe Pater, W8GEX, the discussion covered highlights from the ARRL Board of Directors’ annual Second Meeting, held July 17; the International Amateur...

Solar activity is likely to continue at low levels with isolated to occasional C-class flare activity, along with a slight chance for R1-R2 (Minor-Moderate) M-class flare events, through September 25, according to NOAA’s Space Weather Prediction Center. The SWPC reports that nine sunspot regions...

ARRL with ARRL The National Association for Amateur Radio® is following two new federal proceedings concerning radio frequency (RF) exposure. On September 17, 2026, the FCC and the U.S. Department of Health and Human Services (HHS) initiated parallel comment periods on RF safety issues. Neither...

It’s been a half century since single sideband (SSB) supplanted amplitude modulation (AM) as the most popular voice mode on HF, due largely to its spectrum efficiency, occupying roughly half the bandwidth of an AM signal. Now, there’s a new digital voice mode from FreeDV called Radio...

Solar flare activity is expected to remain at very low levels, with a chance for isolated C-class flares through September 19, according to NOAA's Space Weather Prediction Center (SWPC). Solar wind speed was steady near 530 km/s, and negative polarity CH HSS (coronal hole high-speed stream)...

Continue reading...

The Yagi-Uda beam antenna was invented 100 years ago, in 1926, and Contest University (CTU) is celebrating its centennial with a live Zoom webinar this Saturday, September 19, 2026, at 1600 UTC (noon Eastern). The free webinar, titled “The Yagi Turns 100,” will be available online at...

Solar flare activity was at low levels in the past week with isolated C-class flare activity, according to NOAA’s Space Weather Prediction Center. The largest flare of the period was a C3.4 on September 8 from otherwise stable Region 4528. Region 4530 developed asymmetric penumbra on both its...