American Radio Relay League | Ham Radio Association and Resources

• The K7RA Solar Update

  Solar activity seems to have dropped dramatically from a recent peak.  Are we over the cycle peak and headed down again?  Too early to say. Daily average sunspot numbers this week sank to 120.1. Predicted solar flux is 175 on December 6 to 8, 170 on December 9 and 10, 175 on December 11 and 12, and 205 on December 13 to 17. Predicted planetary A index is 8 on December 6 and 7, 5 on December to ...

• 2025 Youth on the Air Camp Application Period Open

  Applications are now being accepted for campers interested in attending the 2025 Youth on the Air Camp. Licensed amateur radio operators, ages 15 through 25, who want to attend are encouraged to apply online at YouthOnTheAir.org. The camp is scheduled to take place June 15 - 20, 2025, in Thornton (Denver), Colorado and the Denver Radio Club, an ARRL Affiliated Club, is the local host.The curren...

• Get on the Air in December with ARRL 160- and 10-Meter Contests

  December brings two ARRL-sponsored single-band contests. The ARRL 160-Meter Contest begins Friday, December 6 at 2200 UTC and concludes on Sunday, December 8 at 1559 UTC. Stations in the US (including Alaska, Hawaii, and US possessions) and Canada can contact any station; stations located overseas can only contact US and Canadian stations. Contacts may be made using the CW mode only. See the co...