Solar activity seems to have dropped dramatically from a recent peak. Are we over the cycle peak and headed down...
Aurora
ARRL Headquarters was closed on November 29. So, this regular Fridaybulletin was moved to the following Monday (12/2). Solar activity...
Solar activity was lower this reporting week, November 14-20, withthe average daily sunspot number down from 141.6 to 99.3, and...
Key solar indicators were lower this week, with average daily solarflux down from 194.3 to 170.5 and average daily sunspot...
Thanks to Carl, K9LA for contributing to this week's bulletin. "SUBJ: ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 2220 UTC/10 OCTOBER...
What a difference a week makes when it comes to HF propagation! This last week has been characterised by solar...
ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 0042UT/04 OCTOBER 2024 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE. Two coronal mass ejections...
Aurora Propagation, Northern Lights The sun has been busy, and it’s been a mixed bag for radio amateurs. Earlier this...
Release Date: May 18, 2024 Here is a summary of the news trending This Week in Amateur Radio. This week's...
This is a 1-hour version of the weekly podcast for This Week in Amateur Radio. For the full version please...
Coronal mass ejections from the sun are plasma with magnetic fields. They can collide with Earth’s magnetosphere, causing the auroras...
Many interesting phenomena can be observed in the high frequency radio band including aurora reflections, meteor trail reflections, radio blackouts,...
Sustained radio emissions originating from high over a sunspot are getting researchers thinking in new directions. Unlike solar radio bursts —...
Release Date: December 2, 2023 Here is a summary of the news trending This Week in Amateur Radio. This week's...
A long duration M1.2 solar flare took place around departing sunspot region 3413 yesterday which peaked around 03:52 UTC. This...
Solar protons reached the moderate S2 threshold today for the second time this solar cycle. Moderate S2 solar radiation storms...
Welcome to July! A month where both our American and French friends celebrate very important holidays with lots of celebrations...
Sunspot region 3354 departs with a major X1.0 solar flare (R3-strong) yesterday at 23:14 UTC as it approaches the west...
That was unexpected! Incoming sunspot region 3341 produced an X1.1 solar flare (R3-strong) that peaked yesterday at 17:09 UTC. It...
There as been a lot of M-class flare activity the past few days coming from sunspot region 3311 including an...
We have had some stormy space weather these first few days of May! Perhaps not stormy in the sense of...
As you might have noticed... there has been a lot of M-class activity the past few days. Unfortunately the M3.9...
The coronal mass ejection from the M1.7 solar flare that took place two days ago has arrived at the DSCOVR...
An M1.7 solar flare took place yesterday peaking at 18:12 UTC. The eruption was combined with what looks like a...
The NOAA SWPC has issued a moderate G2 geomagnetic storm watch for this Friday (24 March) due to the anticipated...
