ARRL
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The ARRL Solar Update
There were two nights of visible aurora throughout the continental
US and dead HF bands due to a severe geomagnetic storm caused by
what Space.com calls "a colossal X5.1 class solar flare" and
associated coronal mass ejection (CME) on Tuesday, November 11.
Spaceweather.com for November 14 reports that a NASA model of the
latest CME suggests that it could deliver a glancing blow to our
planet's magnet... -
Get On the Air for 2025 ARRL November Sweepstakes
Amateur radio operators throughout the US and Canada are getting ready for one of the most anticipated weekends of the year. The 2025 ARRL November Sweepstakes phone (SSB voice) contest takes place November 15 - 17, beginning at 2100 UTC Saturday and running through 0259 UTC Monday. The CW (Morse code) event was held 2 weeks ago, Nov. 1 - 3.
November Sweepstakes, sponsored by ARRL The National A...
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Images Beamed from Space Celebrate 25 Years of Ham Radio on the ISS
Amateur Radio on the International Space Station (ARISS) will mark two major milestones this month with a special Slow Scan Television (SSTV) event aboard the International Space Station (ISS). Beginning November 12 through November 20, the station will transmit a series of 12 commemorative SSTV images, pausing only for a scheduled educational contact.
The “SSTV Spacetacular” will highlight both...
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The ARRL Solar Update
Solar activity has reached high levels due to a pair of X-class
flares.
The first was an X1.8 on November 4 from Region 4274. Associated
with the flare were Type IV radio sweeps, 160 sfu Tenflare, and a
partial halo coronal mass ejection (CME) directed mostly off the NE
limb in coronagraph imagery. Although the majority of the ejecta is
expected to pass behind Earth, there is the possibility of a sh... -
2025 Veterans Day - Amateur Radio Events. ARRL Closed Nov. 11
Many amateur radio clubs and organizations are planning on-air commemorations and special events for Veterans Day 2025. Visit the ARRL Special Events Stations database, and contact the following stations on-the-air:
- In Philadelphia, Pennsylvania, the Holmesburg Amateur Radio Club will honor the Continental Marines Birthday. Special event station WM3PEN will operate November 8 - 12 from 1300Z - 0...