ARRL

1. New Book Release: Salty Walt’s Portable Antenna Sketchbook

2. ARRL Teachers Institute Application Deadline April 30

   Applicants for the summer 2025 sessions of the ARRL Teachers Institute on Wireless Technology must apply by April 30 to be considered. The application process is straightforward. Interested educators can find the web form at www.arrl.org/ti. ARRL covers all the costs of the TI, including travel, but there is a $100 application fee if the teacher is accepted.

   The Teachers Institutes are a product...

3. ARRL Exhibits and Forums Planned for 2025 Dayton Hamvention

4. The ARRL Solar Report

   Solar activity has been at low levels with only minor C-class
   flaring through April 24, 2025, and is expected to be moderate with
   a chance of M-class flares (R1-R2, Minor-Moderate) through April 26.
   No Earth-directed Coronal Mass Ejections (CMEs) have been observed.
   A southwest CME was observed on April 23 and is considered to be
   far-side due to the lack of any on-disk plasma motion/flare
   activity.
    ...

5. Amateur Radio Helps 2025 Boston Marathon

   Over 280 amateur radio operators volunteered during the 129th running of the Boston Marathon on April 21, 2025. 

   Operators were working at virtually every location connected with the race, including the starting line, the entire course, the finish line, transportation, and various operations centers including the Massachusetts Emergency Management Agency (MEMA), the State EOC Unified Command Cen...

6. W1AW Facility Closed to Visitors April 28-30 for Maintenance

7. ARRL Ham Radio Open House Events Making Headlines

8. The ARRL Solar Report

   Spaceweather.com reports a Cannibal Coronal Mass Ejection on April 15 sparked geomagnetic storms. On April 16, the storm became severe (G4) with Northern Lights sighted as far south as France. The storm is subsiding now to a category G1/G2, which could still produce high-latitude auroras.

   Although Regions AR4062 and AR4064 have been relatively quiet they are more structurally complex than ant...

9. Former ARRL Vice Director Wayne Overbeck, N6NB, SK

   Former ARRL Vice Director and Contest Advisory Committee Chairman Wayne Overbeck, N6NB, passed away Saturday April 12, 2025. He was 82 years old. Overbeck held an Amateur Extra-class license and was active in amateur radio for over 68 years. He served four terms as an elected ARRL Vice Director, from 1984 to 1993, and was also chairman of the ARRL Contest Advisory Committee during the 1970s and...

10. Paul “Tad” Cook, K7RA, SK

    Paul “Tad” Cook, K7RA, passed away on April 13, 2025. 

    For 36 years, Cook wrote the weekly W1AW Propagation Forecast Bulletin and the K7RA Solar Update for the ARRL Letter. He retired in January 2025, citing a recent ALS diagnosis and on March 8, Cook received the ARRL President’s Award presented to him by ARRL Northwestern Division Director Mark Tharp, KB7HDX.

    Several weeks ago, Robin Amundson,...