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Propagazione

Propagation outlook from Boulder

:Product: Weekly Highlights and Forecasts :Issued: 2019 Jul 01 0141 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Product description and SWPC contact on the Web # https://www.swpc.noaa.gov/content/subscription-services # # Weekly Highlights and Forecasts # Highlights of Solar and Geomagnetic Activity 24 – 30 June 2019 Solar activity was at very low levels. …

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Propagation News – 30 June 2019

Last week saw a continued quiet Sun with zero sunspots at the end of the week and a settled geomagnetic field. A feature in Nature magazine has suggested that we may be heading for a Maunder Minimum in the next three decades. The report cites a study of long-term oscillations of the solar background magnetic field associated with double dynamo …

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The K7RA Solar Update

A new sunspot group emerged on June 24, but don’t count on it persisting much longer. It emerged already far along the western limb and is about to rotate off the visible solar disc. Sunspot numbers on June 24-27 were 24, 12, 11 and 11. Average daily sunspot number increased from 0 to 6.7 over the week of June 20-26, …

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Propagation outlook from Boulder

:Product: Weekly Highlights and Forecasts :Issued: 2019 Jun 24 0133 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Product description and SWPC contact on the Web # https://www.swpc.noaa.gov/content/subscription-services # # Weekly Highlights and Forecasts # Highlights of Solar and Geomagnetic Activity 17 – 23 June 2019 Solar activity was at very low levels. …

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W4HM Daily HF-MF Radio Wave Propagation Forecast #2019-175

Greetings to my fellow hamateur radio and SWL radio enthusiasts around the world.   Welcome to my “not for profit” W4HM Daily HF-MF Radio Wave Propagation Forecast.   It’s the only accurate daily global HF-MF radio wave propagation forecast produced on the planet.   You can sign up for the daily email delivered global HF-MF radio wave propagation forecast at …

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W4HM Daily HF-MF Radio Wave Propagation Forecast #2019-174

Greetings to my fellow hamateur radio and SWL radio enthusiasts around the world.   Welcome to my “not for profit” W4HM Daily HF-MF Radio Wave Propagation Forecast.   It’s the only accurate daily global HF-MF radio wave propagation forecast produced on the planet.   You can sign up for the daily email delivered global HF-MF radio wave propagation forecast at …

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The K7RA Solar Update

The quiet sun continues, with still another week passing with zero sunspots. For 33 days in a row, no sunspot activity, as of Thursday, June 20. So far this year 62% of the days are without sunspots, really the same as all of last year, which was 61%. Average daily solar flux over the past week was 67.1, down from …

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Propagation News – 23 June 2019

The week was dominated by thunderstorms and rain. While not strictly HF propagation-related, this did cause havoc on the lower bands, with frequent static crashes. This was particularly noticeable in Thursday’s RSGB 80m Club Championship CW contest, where storms over the low countries made the contest hard-going. Other than that the week was once again marked by a lack of …

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W4HM Daily HF-MF Radio Wave Propagation Forecast #2019-173

Greetings to my fellow hamateur radio and SWL radio enthusiasts around the world.   Welcome to my “not for profit” W4HM Daily HF-MF Radio Wave Propagation Forecast.   It’s the only accurate daily global HF-MF radio wave propagation forecast produced on the planet.   You can sign up for the daily email delivered global HF-MF radio wave propagation forecast at …

Read More »

W4HM Daily HF-MF Radio Wave Propagation Forecast #2019-172

Greetings to my fellow hamateur radio and SWL radio enthusiasts around the world.   Welcome to my “not for profit” W4HM Daily HF-MF Radio Wave Propagation Forecast.   It’s the only accurate daily global HF-MF radio wave propagation forecast produced on the planet.   You can sign up for the daily email delivered global HF-MF radio wave propagation forecast at …

Read More »

W4HM Daily HF-MF Radio Wave Propagation Forecast #2019-171

Greetings to my fellow hamateur radio and SWL radio enthusiasts around the world.   Welcome to my “not for profit” W4HM Daily HF-MF Radio Wave Propagation Forecast.   It’s the only accurate daily global HF-MF radio wave propagation forecast produced on the planet.   You can sign up for the daily email delivered global HF-MF radio wave propagation forecast at …

Read More »

Propagation Outlook from Boulder

:Product: Weekly Highlights and Forecasts :Issued: 2019 Jun 17 0339 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Product description and SWPC contact on the Web # https://www.swpc.noaa.gov/content/subscription-services # # Weekly Highlights and Forecasts # Highlights of Solar and Geomagnetic Activity 10 – 16 June 2019 Solar activity was at very low levels. …

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