Spaceweather.com reports that sunspot 3981 has produced more than 20M-class solar flares, including two that almost reached category X. The...
Weather
The Hurricane Watch Net (HWN), founded on Labor Day weekend 1965, is celebrating its 60th anniversary in 2025. The net,...
Solar Update Report January 30, 2025 The sun has been moderately active this past week. The greater than 2 MeV...
Last week was pretty unremarkable as far as the Sun goes, but it looks like that is about to change....
The Personal Space Weather Station (PSWS) network is a distributed series of receivers designed to measure the space environment. These...
Sorry to say this is the last ARRL Propagation Forecast Bulletin Iwill write. I took over in 1991 from Ed...
As the firestorms across Southern California continue to threaten millions of residents, trained amateur radio operators are serving critical volunteer...
Solar activity was a bit weak during recent days. Average dailysunspot number was 159.1. During the previous week the average...
It’s a fair bet that most of us have a ton of wireless doo-dads around the house, from garage door...
Currently a geomagnetic storm is raging. On January 1-2, Alaska'scollege A index reached 113. Predicted planetary A index is 12...
Strong solar activity continues, with worldwide propagation on 10and 12 meters quite commonplace. Predicted solar flux is 255, 250, 210,...
Excellent HF conditions greeted hams in the ARRL 10-Meter contestlast weekend. Recent indicators show a sudden shift to two digitdaily...
Average daily sunspot number plummeted to 104.4. Weekly Commentary on the Sun, the Magnetosphere, and the Earth's Ionosphere for December...
Solar activity seems to have dropped dramatically from a recent peak. Are we over the cycle peak and headed down...
ARRL Headquarters was closed on November 29. So, this regular Fridaybulletin was moved to the following Monday (12/2). Solar activity...
SKYWARNTM Recognition Day is December 7, 2024. The annual event is celebrating its 25th anniversary. SRD was established in 1999...
Solar activity was lower this reporting week, November 14-20, withthe average daily sunspot number down from 141.6 to 99.3, and...
The National Weather Service (NWS) will be hosting our annual SKYWARN Recognition Day on Saturday, December 7th. The La Crosse NWS office...
Sometimes, it’s nice to know how windy it is outside. Knowing the direction of the wind can be a plus,...
Only five new sunspot groups emerged this week. First was onNovember 7, next on November 9, two more on November...
A rare November hurricane made landfall in western Cuba as a Category 3 storm Wednesday and continued to move slowly...
Tuesday, November 5, 2024, 11:00 AM Eastern Update: The following information is from the Hurricane Watch Net: The Hurricane Watch...
Solar activity increased this week. Average daily sunspot number went from 127.7 to 197.4 and average solar flux from 170.5...
In a joint statement on Oct. 15th, NASA and NOAA announced that Solar Maximum is underway. If you saw last...
An old form of communication is vital in hurricane recovery efforts as amateur radio operators across North Carolina and Florida...
