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...