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  • latest100412

    10/05/2012 | The K7RA Solar Update

    A coronal mass ejection (CME) hit the Earth on September 30, triggering a jump in geomagnetic indices. The planetary A index on October 1 was 31, and the K index jumped to 7, making aurora visible across the northern tier of the United States.
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  • latest090612

    09/07/2012 | The K7RA Solar Update

    There was a surprising jump in solar activity occurred this week: The average daily sunspot numbers rose nearly 55 points (that’s almost 74 percent) to 128.7, while the average daily solar flux values were up more than 28 points to 136.9.
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  • latest062812

    06/29/2012 | The K7RA Solar Update

    Sunspot activity continued to drop until early this week: The average daily sunspot numbers were 26.3, down more than 58 points from last week’s numbers, while the average daily solar flux declined to 92.8, down over 33 points from last week’s average.
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  • latest041212

    04/13/2012 | The K7RA Solar Update

    Solar activity took a serious nosedive this week, with the average daily sunspot numbers dropping to a value less than half the previous week’s average -- down nearly 43 points to 32.6. The solar flux values were also off, down nearly 12 points to 95.9. T
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    03/14/2012 | Mark Your Calendars: It’s Time for the Spring FMT

    The Frequency Measuring Test (FMT) continues its successful “round-table” format when it takes to the airwaves on the evening of April 19 (April 20 UTC). The test moves to Thursday from the November FMT’s usual Wednesday evening, giving everyone an opport
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  • latest030812

    03/09/2012 | The K7RA Solar Update

    This has been quite a week for dramatic solar activity. The average daily sunspot number was up nearly 26 points to 69.4, while the average daily solar flux rose nearly 17 points to 121.9 for the period March 1-7. Sunspot numbers for March 1-7 were 24, 24
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  • latest022412

    02/24/2012 | The K7RA Solar Update

    We don’t know if this is a significant trend, but solar activity has really leveled off recently. But not everyone is unhappy about this. During the recent long minimum, 160 and 80 meter operators sang the praises of great conditions. In response to my “w
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