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Sunspots

Sunspots

13 links and 1 categories about Sunspots on dxzone.com

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Propagation : Resources
  • Propagation eAlert Service - Automatic e-mail alert of propagation information. Gives current solar flux, Ap, Kp, solar wind information, solar and geomagnetic conditions past and forecast, sunspots, aurora index, and more.
    [ Hits: 695 | Votes: 1 | Rating: 10.00 ]
Propagation : Sunspots
  • Solar Region Data - SunSpots - Solar Region Data Current Regions with Sunspots Summary, an useful tool for predictions
    [ Hits: 4094 | Votes: 11 | Rating: 4.91 ]
  • The Sunspot Cycle - Sunspot Numbers, The Butterfly Diagram, the Greenwich sunspot data and sunspot realted infos.
    [ Hits: 1882 | Votes: 3 | Rating: 6.67 ]
  • Solar Flare and sunspots - Understand the connection between solar flares and sunspots.
    [ Hits: 1353 | Votes: 2 | Rating: 5.50 ]
  • Sunspots explained - History, activity, glossary and modern reseach about suspots
    [ Hits: 1165 | Votes: 2 | Rating: 3.50 ]
  • About Sunspot cycles - Theory to explain solar cycles variability proposed by Jean-Pierre Desmoulins
    [ Hits: 1905 | Votes: 7 | Rating: 5.28 ]
  • Real time sunspots number - Space Weather: Real-Time 24hr Effective Sunspot Number
    [ Hits: 5841 | Votes: 38 | Rating: 5.97 ]
  • Last 30 Days Solar Data - Display a table of last 30 days sunspots reports. Prepared by the U.S. Dept. of Commerce, NOAA, Space Environment Center
    [ Hits: 7329 | Votes: 42 | Rating: 8.43 ]
  • Maunder's Butterfly Diagram - How to understand when a new solar cycle starts. At the beginning of a new solar cycle, sunspots tend to form at high latitudes, but as the cycle reaches a maximum the spots form at lower latitudes.
    [ Hits: 1088 | Votes: 3 | Rating: 8.33 ]
  • Spotless days around solar cycle transition - An interesting perspective of the transition from one solar cycle to another is given by exploring the days with no reported sunspots.
    [ Hits: 364 | Votes: 0 | Rating: 0.00 ]
  • Catania Observatory sunspots data - Daily sun spots data collected by the Catania astrophysical observatory
    [ Hits: 487 | Votes: 0 | Rating: 0.00 ]
Software : iPhone
  • Ham for iPhone - Ham is a free iPhone Ham Radio utility. View solar conditions (Solar Flux, Indices, X-Rays, Sunspots and calculated band conditions). View PSKreporter reports and Callsign lookups.
    [ Hits: 1484 | Votes: 5 | Rating: 4.60 ]
Technical Reference : Filters
  • Variable bandwidth cw filter - As the sunspots return and DX propagation conditions to improve, the age old problem with QRM begins to show up on the amateur bands. Thif filter help you on improving reception
    [ Hits: 945 | Votes: 3 | Rating: 4.33 ]
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