Propagation trends - PowerPoint PPT Presentation

Propagation Trends 2014-2015

Propagation Trends 2014-2015. Solar Maximum! But the slow decline to solar minimum in 2020 is likely to begin later this year. 400 Years of Sunspot Observations 55 years of unusually high sunspot activity (1947 - 2002) ended with the decline of Solar Cycle 23. Dalton Minimum 30 years

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388 views • 13 slides

Propagation Trends 2013-2014

Propagation Trends 2013-2014. Solar Maximum ! A Double Peaked Sunspot Cycle ?. Every 6 Meter DXer Remembers This! The Second Sunspot Peak of Solar Cycle 23. 400 Years of Sunspot Observations 60 years of high sunspot cycles have probably come to an end. 40 years. 70 years.

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268 views • 13 slides

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