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Propagazione

Weekly Forecasts Bulletin

Solar activity forecast for the period September 16 – September 22, 2016 Activity level: mostly very low to low X-ray background flux (1.0-8.0 A): in the range A7.0-B3.0 Radio flux (10.7 cm): a fluctuation in the range 70-100 f.u. Events: class C (0-3/day), class M (0-1/period), class X (0/period), proton (0/period) Relative sunspot number (Ri): in the range 0-70 Tomas …

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Propagation News – 18 September 2016

  The solar flux index followed the NOAA prediction this week, declining to 85 by Thursday. Geomagnetic conditions were regrettably not as settled as we would have liked, with the K-index hitting three at times thanks to a continued high speed solar wind stream from a coronal hole. Luckily, no Earth-directed coronal mass ejections were observed and there were no …

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Propagation outlook from Boulder

:Product: Weekly Highlights and Forecasts :Issued: 2016 Sep 12 0323 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Product description and SWPC contact on the Web # http://www.swpc.noaa.gov/weekly.html # #                Weekly Highlights and Forecasts # Highlights of Solar and Geomagnetic Activity 05 – 11 September 2016 Solar activity was at very low levels …

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Propagation outlook from Boulder

:Product: Weekly Highlights and Forecasts :Issued: 2016 Sep 05 0405 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Product description and SWPC contact on the Web # http://www.swpc.noaa.gov/weekly.html # #                Weekly Highlights and Forecasts # Highlights of Solar and Geomagnetic Activity 29 August – 04 September 2016 Solar activity was at low levels …

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The K7RA Solar Update

Over the past week (August 25-31) average daily sunspot numbers rose from 33.9 to 60.1, and average daily solar flux increased from 79.6 to 87.9, compared to the previous seven days. In fact, the average daily sunspot number for August was 50.4, the highest since February, when it was 56.1. The three month moving averages of sunspot numbers for this …

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Propagation News – 4 September 2016

September 2, 2016 This week brought a glimpse of better things to come. Andy, M0NKR reports he worked VP6J Pitcairn Island on 12 metres and the maximum useable frequency was often above 21MHz earlier in the week. The downside was, as predicted, periods of unsettled geomagnetic conditions, with the K-index hitting four at times and even six on Friday. But, …

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Propagation outlook from Boulder

:Product: Weekly Highlights and Forecasts :Issued: 2016 Aug 29 0520 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Product description and SWPC contact on the Web # http://www.swpc.noaa.gov/weekly.html # #                Weekly Highlights and Forecasts # Highlights of Solar and Geomagnetic Activity 22 – 28 August 2016 Solar activity was at very low levels …

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The K7RA Solar Update

Solar activity over the past week (August 18-24) was down compared to the previous week, with average daily sunspot number s declining from 73.9 to 33.9, and average daily solar flux from 89.2 to 79.6. Average planetary A index increased from 6.9 to 9.7, while the mid-latitude number rose from 7.4 to 8.7. The latest prediction (on August 25, 2016) …

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Propagation outlook from Boulder

:Product: Weekly Highlights and Forecasts :Issued: 2016 Aug 22 0524 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Product description and SWPC contact on the Web # http://www.swpc.noaa.gov/weekly.html # #                Weekly Highlights and Forecasts # Highlights of Solar and Geomagnetic Activity 15 – 21 August 2016 Solar activity was at low levels on …

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Propagation outlook from Boulder

:Product: Weekly Highlights and Forecasts :Issued: 2016 Aug 15 0115 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Product description and SWPC contact on the Web # http://www.swpc.noaa.gov/weekly.html # #                Weekly Highlights and Forecasts # Highlights of Solar and Geomagnetic Activity 08 – 14 August 2016 Solar activity was at very low to …

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Weekly Forecasts Bulletin

Solar activity forecast for the period August 12 – August 18, 2016 Activity level: mostly very low to moderate X-ray background flux (1.0-8.0 A): in the range A7.0-B4.0 Radio flux (10.7 cm): a fluctuation in the range 80-110 f.u. Events: class C (0-5/day), class M (0-3/period), class X (0/period), proton (0/period) Relative sunspot number (Ri): in the range 10-90 Tomas …

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Propagation outlook from Boulder

:Product: Weekly Highlights and Forecasts :Issued: 2016 Aug 08 0119 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Product description and SWPC contact on the Web # http://www.swpc.noaa.gov/weekly.html # #                Weekly Highlights and Forecasts # Highlights of Solar and Geomagnetic Activity 01 – 07 August 2016 Solar activity was at very low to …

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