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The K7RA Solar Update

No sunspots over our reporting week, December 20 – 26, so compared to the previous 7 days average daily sunspot number declined from 3.4 to 0. Average daily solar flux was 70, down slightly from 70.4. Average planetary A index increased from 4.1 to 4.3, while average mid – latitude values went from 3 to 4. Predicted solar flux is …

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W4HM Daily HF-MF Radio Wave Propagation Forecast #2018-363

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.   I’m a heliophysicist, terrestrial/troposphere meteorologist/climatologist, physical oceanographer and one of the few on the planet with …

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Propagation News – 23 December 2018

As this report has to take you up until Sunday, 6 January 2019 we can’t guarantee complete accuracy, but we’ll try to predict conditions for the Christmas period. The solar flux index is pretty easy as it looks like it will remain at or near sunspot minimum-like conditions. The SFI will be in the range 69-72 with no real surprises. …

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W4HM Daily HF-MF Radio Wave Propagation Forecast #2018-362

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.   I’m a heliophysicist, terrestrial/troposphere meteorologist/climatologist, physical oceanographer and one of the few on the planet with …

Read More »

W4HM Daily HF-MF Radio Wave Propagation Forecast #2018-361

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.   I’m a heliophysicist, terrestrial/troposphere meteorologist/climatologist, physical oceanographer and one of the few on the planet with …

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Propagation outlook from Boulder

:Product: Weekly Highlights and Forecasts :Issued: 2018 Dec 24 0103 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 December 2018 Solar activity was very low throughout the …

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W4HM Daily HF-MF Radio Wave Propagation Forecast #2018-359

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. I’m a heliophysicist, terrestrial/troposphere meteorologist/climatologist, physical oceanographer and one of the few on the planet with advanced education and …

Read More »

W4HM Daily HF-MF Radio Wave Propagation Forecast #2018-358

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. I’m a heliophysicist, terrestrial/troposphere meteorologist/climatologist, physical oceanographer and one of the few on the planet with advanced education and …

Read More »

W4HM Daily HF-MF Radio Wave Propagation Forecast #2018-357

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.   I’m a heliophysicist, terrestrial/troposphere meteorologist/climatologist, physical oceanographer and one of the few on the planet with advanced education …

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The K7RA Solar Update

On Wednesday, December 19 Spaceweather.com displayed this headline: “Solar minimum conditions are in effect”, followed by “The Sun has been without sunspots for 209 days in 2018–that is, 59% of the time. To find a similar stretch of blank suns, you have to go back to 2009 when the Sun was experiencing the deepest solar minimum in a century.” Looking …

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Propagation News – 23 December 2018

As this report has to take you up until Sunday, 6 January 2019 we can’t guarantee complete accuracy, but we’ll try to predict conditions for the Christmas period. The solar flux index is pretty easy as it looks like it will remain at or near sunspot minimum-like conditions. The SFI will be in the range 69-72 with no real surprises. …

Read More »

W4HM Daily HF-MF Radio Wave Propagation Forecast #2018-356

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.   I’m a heliophysicist, terrestrial/troposphere meteorologist/climatologist, physical oceanographer and one of the few on the planet with advanced education …

Read More »
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