ARRL

• FCC Warns Licensee on Out-of-Band Transmissions

  The Federal Communications Commission (FCC) has responded to a complaint involving a Pittsburgh, Pennsylvania, amateur for operating outside the privileges of his Technician Class license and causing interference to local emergency service communications by transmitting on a public service frequency, 470.4375 MHz.  

  According to a letter released by the FCC’s Enforcement Bureau, agents investiga...

• ARRL Solar Update

  Solar activity was at low levels with seven numbered active regions

  on the disk.

   

  The largest event of the period was a C3.7 flare on March 25 from

  Region 4400. Region 4403, which was numbered last period, is the

  suspected source of several flares observed beyond the limb prior to

  its rotation onto the disk. Due to its proximity to the northeast

  limb, foreshortening continues to prevent a definitive

  c...

• Work for ARRL

  ARRL The National Association for Amateur Radio® is seeking talented individuals to join our team and help advance the Amateur Radio Service. We are currently hiring for several impactful positions:

  RFI Lab Engineer
  Support ARRL’s mission to protect and enhance spectrum access by managing and resolving Radio Frequency Interference (RFI) cases. This role includes database management, coordination...

• ARRL Hosts Successful HamSCI 2026 Workshop

• The ARRL Solar Update

  Solar activity was very low to low. Only low-level C-class activity
  was observed from Regions 4384 and 4389. Slight growth was observed
  in Regions 4384 and 4391. New Region 4392 was numbered. The rest of
  the spot groups were either stable or in decay. No Earth-directed
  CMEs were observed. Solar activity is expected to be at low levels,
  with a slight chance for M-class (R1-R2/minor-moderate) flares,
  t...