American Radio Relay League | Ham Radio Association and Resources

• The ARRL Solar Update

  Solar activity has decreased to very low levels. Region 4266exhibited signs of slight development as it gained asymmetricpenumbra surrounding its trailing spots. Meanwhile, Region 4267underwent decay, losing several leading spots. Additional activityincluded a coronal mass ejection (CME) off the NE limb on October29. An associated Type II radio sweep was reported with the CME; howeverSUVI 195 i...

• 2026 ARRL Foundation Scholarship Program is Now Accepting Applications

  The ARRL Foundation Scholarship Program has opened the application window for 2026 scholarships. Applications will be accepted through December 30, 2025, at 12 PM EST. Students are encouraged to apply for more than 170 scholarships ranging from $500 to $25,000. All applicants must be active, FCC-licensed amateur radio operators. The scholarships were established by generous donors and are manag...

• New Book Release: Small Antennas for Small Spaces 3rd Edition