Sunspots13 links - and 1 categories
- 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: 746 | Votes: 1 | Rating: 10.00 ]
- Solar Region Data - SunSpots
- Solar Region Data Current Regions with Sunspots Summary, an useful tool for predictions
[ Hits: 4238 | Votes: 13 | Rating: 4.84 ]
- The Sunspot Cycle
- Sunspot Numbers, The Butterfly Diagram, the Greenwich sunspot data and sunspot realted infos.
[ Hits: 1956 | Votes: 3 | Rating: 6.67 ]
- Solar Flare and sunspots
- Understand the connection between solar flares and sunspots.
[ Hits: 1411 | Votes: 2 | Rating: 5.50 ]
- Sunspots explained
- History, activity, glossary and modern reseach about suspots
[ Hits: 1235 | Votes: 2 | Rating: 3.50 ]
- About Sunspot cycles
- Theory to explain solar cycles variability proposed by Jean-Pierre Desmoulins
[ Hits: 1975 | Votes: 7 | Rating: 5.28 ]
- Real time sunspots number
- Space Weather: Real-Time 24hr Effective Sunspot Number
[ Hits: 6029 | Votes: 40 | Rating: 6.04 ]
- 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: 7754 | Votes: 43 | Rating: 8.30 ]
- 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: 1245 | 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: 434 | Votes: 0 | Rating: 0.00 ]
- Catania Observatory sunspots data
- Daily sun spots data collected by the Catania astrophysical observatory
[ Hits: 548 | Votes: 1 | Rating: 1.00 ]
- 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: 1625 | Votes: 5 | Rating: 4.60 ]
- 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: 1024 | Votes: 3 | Rating: 4.33 ]
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