-
12/10/2010 | The K7RA Solar Update
The average daily sunspot numbers for the week were up more than nine points to 35, and average solar flux rose more than six points to 87.3. These differences compare the dates of December 2-8 with the previous seven days. The average planetary A index d
Learn More -
12/03/2010 | The K7RA Solar Update
The average daily sunspot numbers for the week of November 25-December 1 increased only slightly from the previous seven days: 1.3 points to 25.9. Sunspot numbers for November 25-December 1 were 22, 23, 22, 34, 31, 24 and 25, with a mean of 25.9. The 10.7
Learn More -
11/26/2010 | The K7RA Solar Update
The average daily solar flux declined this week more than 36 points compared to last week, to 24.6. Our reporting week -- which ran until November 24 -- showed the daily sunspot number declining from 40 to 11, but on November 25 the sunspot number rose to
Learn More -
11/19/2010 | The K7RA Solar Update
Five new sunspot groups appeared in the past nine days, and the average daily sunspot number for the November 11-17 period rose nearly 28 points from the week before to 60.9. The average daily solar flux was up nearly four points to 87.9. Sunspot numbers
Learn More -
11/12/2010 | The K7RA Solar Update
Both the average daily sunspot numbers and solar flux increased over the past week, with sunspot numbers up 7.4 points to 33.1, and solar flux up 2.1 points to 84.2. Four new sunspot groups have appeared since November 4. For some reason, NOAA is currentl
Learn More -
11/05/2010 | The K7RA Solar Update
The average daily sunspot numbers declined again this week, this time by nearly 25 points to 25.7, about half what it was last week. Last week’s average was down about 5 points from the week before, when it was 55.6. Sunspot numbers for October 28-Novembe
Learn More -
10/15/2010 | The K7RA Solar Update
Solar activity dropped again this week, although it is now gradually strengthening. The average daily sunspot numbers declined nearly 16 points to 11.7, and average daily solar flux dropped more than 5 points to 75.8. Over the next two weeks, the solar fl
Learn More -
10/08/2010 | The K7RA Solar Update
Solar activity quieted down over the past week. There were no sunspots on Wednesday and Thursday -- October 6-7 -- and the average daily sunspot number declined nearly 18 points to 27.6, compared to the previous week. The average daily solar flux values w
Learn More
Search for Amateur Radio News
