-
11/23/2011 | The K7RA Solar Update
Not much in the way of solar excitement this week, except there are many sunspots, but the solar activity in terms of flares or coronal mass ejections is low. The overlapping (by one day) average sunspot numbers in this bulletin declined 21 points to 124.
Learn More -
11/18/2011 | The K7RA Solar Update
This week geomagnetic indices quieted a bit, as did solar activity in general. On November 9, sunspot numbers reached a high of 220, and this week, they declined, rose to 176 and then declined again. The average daily sunspot numbers slipped 8.4 points to
Learn More -
11/11/2011 | The K7RA Solar Update
Another sunspot number record for Solar Cycle 24 has been shattered: On Wednesday, November 9, the daily sunspot number reached 220, the highest it has been in more than eight years. The last time the sunspot number was higher than 220 was November 1, 200
Learn More -
10/28/2011 | The K7RA Solar Update
The day that last week’s bulletin was released --Friday, October 21 -- the daily sunspot number broke another record for Solar Cycle 24 when it rose to 207. You have to look back to November 26, 2003 when it was two points higher – 209 -- to find a number
Learn More -
10/07/2011 | The K7RA Solar Update
Sunspot excitement continues, as we continue to see daily images of our Sun peppered with spots. The average daily sunspot numbers for the week were about the same as the previous week, increasing from 96.1 to 96.7, while the average daily solar flux drop
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 -
08/26/2011 | The K7RA Solar Update
Solar activity rose this week, with the average daily sunspot number rising more than 40 points to 66 points, while the average daily solar flux rose more than 13 points to 101.9. Sunspot numbers for August 18-24 were 53, 46, 59, 66, 82, 81 and 75, with a
Learn More
Search for Amateur Radio News
