Search for Amateur Radio News

09/23/2011 | The K7RA Solar Update

Compared to the uneventful past few years, sunspot activity was truly remarkable this week. The daily sunspot number for September 16 was 173. We haven't see numbers like this in more than six years, when the sunspot number was 181, way back on July 5, 20
Learn More
09/16/2011 | The K7RA Solar Update

Although the average daily sunspot numbers are lower -- down nearly 13 points to 91.7 -- the average daily solar flux is higher by 6.7 points, rising to 122.2. Yes, solar activity is rising rapidly. You could see it coming earlier this week by glancing at
Learn More
09/09/2011 | The K7RA Solar Update

The solar indicators were up again this week, with the average daily sunspot numbers increasing nearly 21 points to 104.3, while the average daily solar flux rose nearly 12 points to 115.5. Geomagnetic numbers were up as well, with the most active geomagn
Learn More
09/24/2010 | The K7RA Solar Update

The autumnal equinox occurred early yesterday, at 0309 UTC on September 23. Conditions were good this week, with sunspots visible every day -- and very little geomagnetic activity. The average daily sunspot numbers rose more than 24 points to 40 and the a
Learn More
09/17/2010 | The K7RA Solar Update

The average daily sunspot numbers dropped nearly 23 points to 15.6 this week, and geomagnetic indices were quiet. The average daily solar flux was 78.1, but the latest prediction from USAF and NOAA calls for rising solar flux values. The September 17-23 p
Learn More
09/10/2010 | The K7RA Solar Update

The average daily sunspot numbers for the week rose nearly 13 points to 38.3, while the average daily solar flux was up more than four points at 78.4. On September 2, one new sunspot group emerged, numbered 1105, joining sunspot groups 1101, 1102 and 1103
Learn More