sunspots

13 links and 1 categories about sunspots on dxzone.com

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Propagation : Sunspots

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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: 625 | Votes: 1 | Rate: 10.00]

Propagation : Sunspots

Solar Region Data - SunSpots - Solar Region Data Current Regions with Sunspots Summary, an useful tool for predictions
[Hits: 3900 | Votes: 11 | Rate: 4.91]
The Sunspot Cycle - Sunspot Numbers, The Butterfly Diagram, the Greenwich sunspot data and sunspot realted infos.
[Hits: 1784 | Votes: 3 | Rate: 6.67]
Solar Flare and sunspots - Understand the connection between solar flares and sunspots.
[Hits: 1292 | Votes: 2 | Rate: 5.50]
Sunspots explained - History, activity, glossary and modern reseach about suspots
[Hits: 1098 | Votes: 2 | Rate: 3.50]
About Sunspot cycles - Theory to explain solar cycles variability proposed by Jean-Pierre Desmoulins
[Hits: 1833 | Votes: 7 | Rate: 5.28]
Real time sunspots number - Space Weather: Real-Time 24hr Effective Sunspot Number
[Hits: 5377 | Votes: 35 | Rate: 6.02]
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: 5962 | Votes: 40 | Rate: 8.61]
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: 870 | Votes: 3 | Rate: 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: 295 | Votes: 0 | Rate: 0.00]
Catania Observatory sunspots data - Daily sun spots data collected by the Catania astrophysical observatory
[Hits: 349 | Votes: 0 | Rate: 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: 1139 | Votes: 5 | Rate: 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: 759 | Votes: 3 | Rate: 4.33]

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sunspots

13 links and 1 categories about sunspots on dxzone.com

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