Francine update September 10, 2024 Noon Eastern:

ARRL Director of Emergency Management Josh Johnston, KE5MHV, just participated in a call with the National Weather Service Shreveport, Louisiana Field Office. "Our partners at NWS are closely monitoring the situation and preparing Louisiana for multiple possibilities, that each could change as the situation unfolds," he said.

ARRL members and Amate...

September is National Preparedness Month, and ARRL is working to help radio amateurs have a plan for family resilience. Many hams enjoy public service as part of their operating. Being ready to activate for a served agency through the ARRL Amateur Radio Emergency Service® (ARES®) involves not only being licensed and trained, but also prepared and equipped.

ARRL Director of Emergency Management J...

In late August, Hawaii’s big island was threatened by three major tropical storms and amateur radio operators were prepared to assist as the threat grew more intense. Russell Roberts, KH6JRM, Public Information Officer, Hawaii County, ARRL Pacific Section, said that beginning August 23, storm watches and warnings were being issued for tropical storms Hone, Gilma, and Hector, all churning off th...

Eight new sunspot groups emerged over the past week.

Two appeared on August 30, three more on August 31, another two on
September 2 and one more on September 4.

Average daily sunspot number declined from 177.1 to 155.3, while
average daily solar flux barely changed from 229 to 230.3.

Spaceweather.com reported the average daily sunspot number for
August was 200, the highest monthly average in the past...

"ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 0200 UTC/29 AUGUST 2024 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

The solar wind environment remains elevated due to ongoing CME effects.  G0-G1 geomagnetic conditions are expected on 29-Aug.

INCREASED GEOMAGNETIC ACTIVITY EXPECTED DUE TO CORONAL MASS EJECTION FOR 29 AUGUST 2024 GEOMAGNETIC ACTIVITY FORECAST 29 Aug: G0-G1."

This week se...

ARRL  The National Association for Amateur Radio® will be closed on Monday, September 2, 2024, in observance of the Labor Day federal holiday. There will be no W1AW bulletin or code practice transmissions. ARRL Headquarters will reopen on Tuesday, September 3, at 8 AM EDT (1200 UTC).

Visit the ARRL Special Events Stations database to find on-the-air events and commemorations this weekend.

ARRL wi...

Applications for the 2024 ARRL Club Grants program are now being reviewed (the application period closed July 26, 2024).

ARRL Field Services Manager Mike Walters, W8ZY, said 110 grant applications have been received and the awards will be announced in late November. “Grants are available up to $25,000 and emphasis is given to projects that are transformative in nature,” said Walters.

Examples of ...

August is National Make-a-Will month. Some estimates show that nearly two-thirds of Americans don't have a plan. For some, it's procrastination. Others don't know where to start. “So many times we hear from the family of a Silent Key who are overwhelmed with what to do with a lifetime worth of amateur radio gear,” said ARRL Director of Development Kevin Beal, K8EAL. “Simply thinking through wha...

Amateur radio is an excellent tool for community resilience in times of crisis. The utility value of the critical communications it provides is enhanced by having well trained local Amateur Radio Emergency Service® (ARES®) groups and other teams. However, to maximize the value to yourself, your family, and your community; an operator must be prepared. September is National Preparedness Month. A...

 Ten new sunspot groups appeared over this reporting week (August 15-21), but both solar flux and sunspot numbers were lower, due to the extraordinary numbers in the previous week.

Average daily sunspot number declined from 255 to 180.3, while average daily solar flux went from 284.9 to 232.7.

Geomagnetic numbers were quieter. Average daily planetary A index declined from 28.6 to 11.9, and aver...

Sometime in early May 2024, ARRL’s systems network was compromised by threat actors (TAs) using information they had purchased on the dark web. The TAs accessed headquarters on-site systems and most cloud-based systems. They used a wide variety of payloads affecting everything from desktops and laptops to Windows-based and Linux-based servers. Despite the wide variety of target configurations, ...

ARRL® The National Association for Amateur Radio® has announced that the candidates for the 2024 ARRL Division elections are now official. ARRL members will choose between two candidates for Director in the Hudson, New England, and Northwestern Divisions. The sole candidates in the Central and Roanoke Divisions for both Director and Vice Director are unopposed. The Vice Director incumbents in t...

With sunspot numbers and solar flux at times both above 300, recent daily space weather has been exciting for radio amateurs who watch the sun. We like higher activity because it correlates with a dense ionosphere, bringing with it better conditions on higher frequencies.

This extreme activity also comes with greater geomagnetic disturbance, which cause higher absorption of HF signals. 

For exa...

Saturday, August 17, 2024 Midday Update:

This update is from the Hurricane Watch Net:

The Hurricane Watch Net has secured operations for Hurricane Ernesto. We were in continuous operation for 22 continuous hours.

From the reports we received, more than 26,000 residents are without power. Many areas are without internet service as well.

The eyewall is now north of the island and reported wind speeds...

By: Frank Donovan, W3LPL

Editor’s note: This article was written earlier in the week. The latest measurements show even higher numbers. See this week's K7RA Solar Report in The ARRL Letter for latest information. 

Record High Solar Cycle 25 Solar Maximum Sunspot Numbers Have Improved HF Propagation Since Mid-July and Possibly Bringing Worldwide 6 Meter F2 Propagation This Fall.

According to the NO...

The Federal Communications Commission (FCC) accepted for public comment a Petition for Rulemaking filed by NextNav Inc., a licensee in the 900-MHz Location and Monitoring Service (LMS), to completely reconfigure the 902-928 MHz band and replace the LMS with high-powered 5G cellular and related location services.

The FCC Notice requested comment on the effects that NextNav’s proposals would have ...

"ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 0211UT/09 AUGUST 2024 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

"Recent CME activity is expected to increase geomagnetic activity from mid 09-Aug and on 10-Aug. Further CME activity on 08-Aug is now expected to also increase geomagnetic activity on 11-Aug.

"INCREASED GEOMAGNETIC ACTIVITY EXPECTED DUE TO CORONAL MASS EJECTION FROM 09-12 ...