The K7RA Solar Update

24 March 2017 kb5wck 0
03/24/2017 The Sun just finished an extended period (16 days) of zero sunspots. There were none on March 4, one visible on March 5, then […]

The K7RA Solar Update

10 March 2017 kb5wck 0
03/10/2017 Over four days last week, we saw a blank Sun, starting with March 4. On March 5, the sunspot number was 11 (indicating a […]

The K7RA Solar Update

3 March 2017 kb5wck 0
03/03/2017 On March 2 at 2353 UTC the Australian Space Forecast Centre issued a geomagnetic disturbance warning for March 3. “The Earth is currently under […]

The K7RA Solar Update

24 February 2017 kb5wck 0
02/24/2017 At 0124 UTC on February 22 Australian Space Weather Services issued a geomagnetic disturbance warning for February 22-24. “The effect of a high speed […]

The K7RA Solar Update

17 February 2017 kb5wck 0
02/17/2017 In the last reporting week (February 9-15) average daily sunspot numbers declined from 21.3 to 17.6, and average daily solar flux rose from 73.5 […]

The K7RA Solar Update

3 February 2017 kb5wck 0
02/03/2017 Over the past reporting week (January 26 through February 1) average daily sunspot number declined 21.1 points to 31.6, compared to the previous seven […]

The K7RA Solar Update

20 January 2017 kb5wck 0
01/20/2017 Last week’s bulletin featured zero sunspots for the entire seven days. This week (January 12-18) the average daily sunspot number rose to 22.6. Average daily […]
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The K7RA Solar Update

13 January 2017 kb5wck 0
01/13/2017 No sunspots were visible on January 1-2 and none on January 4-11, although a spot is just rotating into view today. Our reporting week […]
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The K7RA Solar Update

31 December 2016 kb5wck 0
The K7RA Solar Update 12/30/2016 The Australian Space Forecast Centre issued a Geomagnetic Disturbance Warning on December 29 at 0010 UTC. “A recurrent equatorial coronal […]
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The K7RA Solar Update

16 December 2016 kb5wck 0
12/16/2016 Average daily solar indices over the past week were lower than the previous seven days, with average daily sunspot number declining from 40.9 to […]