ARRL

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. Solar activity was at low levels on 18, 20, and 21 August with only C-class flares observed. Activity increased to moderate levels on 19 August following an M1.1 flare at 19/0439 UTC from an area beyond the Eastern limb. Moderate levels were also observed on 22 August as Region 4191 produced a long-duration M1.7/Sf flare. Associated with this flare was a Type II radio sweep with an estimated...

  2. This Labor Day weekend, the Hurricane Watch Net (HWN) celebrates its 60th anniversary of providing critical communications support to the National Hurricane Center (NHC) and communities impacted by hurricanes.

    As Hurricane Betsy was pummeling the Caribbean on Labor Day weekend 1965, a ham radio operator started hearing calls for information from operators in the Bahamas. Jerry Murphy, K8YUW, spr...

  3. September is National Preparedness Month, which is a good time to look at your personal, family, and community resilience levels. For 2025, the National Preparedness Month theme is “Preparedness Starts at Home.” 

    Amateur radio is a valuable resource for communication and community service before and during times of crisis, and can be a significant factor in your home’s level of preparedness.

    “Now...

  4. ARRL The National Association for Amateur Radio® Headquarters will be closed on Monday, September 1, 2025, 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 2, at 8 AM EDT (1200 UTC).

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