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07/15/2016 | The K7RA Solar Update
Tad Cook, K7RA, Seattle, reports: As this solar cycle declines, we will occasionally see periods such as this past week, when activity perks up, and it seems that happy days are here again.
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07/25/2014 | The K7RA Solar Update
The K7RA Solar Update for July 25, 2014.
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Feature
04/27/2012 | Surfin’: Get On the Air with SDRThis week, Surfin’ gets its feet wet with SDR by means of a bevy of online SDR receivers.
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10/30/2009 | The K7RA Solar Update
Well, what a week it has been. The solar flux hit 82.3 on Tuesday, the highest recording yet since the first-observed "new cycle sunspot" in January 2008, the "official" visual start of Solar Cycle 24. Even as I write this, the flux is
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07/24/2009 | The K7RA Solar Update
No new sunspots yet, but a big surprise this week with aurora and a geomagnetic storm: Sunspot activity peaked around 0300-0900 UTC on Wednesday July 22, with K index as high as 6. The planetary A index for the day was 24. You can see the K index variatio
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06/19/2009 | The K7RA Solar Update
I bet you have this memorized: "Solar activity was very low throughout the reporting period, and geomagnetic field activity was at quiet levels during most of the reporting period." Enough said? The first sunspot region of Solar Cycle 24 occurre
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08/22/2008 | The K7RA Solar Update
Another week of quiet Sun, but on Wednesday and Thursday -- August 20-21 -- a new spot seemed to be emerging, but there is no sign that it is anything other than an old Solar Cycle 23 spot. Spaceweather.com reported it with a sunspot number of 11 for Augu
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08/08/2008 | The K7RA Solar Update
As mentioned in last week's report, Carl Luetzelschwab, K9LA, is filling in for your regular reporter Tad Cook, K7RA. For the reporting period August 1-7, solar activity was at very low levels and the geomagnetic field was at quiet levels. Solar activity
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