sun spot

27 links - and 1 categories

S79 Praslin Island DX Pedition - IK5RUN, I5OYY I5IHE will operate from Praslin Is. Seychelles IOTA AF-024 respectly as S79UN S79YY S79LC Log Online and DX Spots Operations will start From Sunday 21st October 2012 till Sunday 4th November 2012
[ Hits: 253 | Votes: 0 | Rating: 0 ]

Amateur Radio, Scanner & Linux blog - My place in cyberspace for thinking out loud about the Three Rivers Area Montioring Association and its Sunday evening Pittsburgh Area Scanner Net as well as ham radio and the Linux operating system
[ Hits: 556 | Votes: 0 | Rating: 0 ]

HF Bands - A review of the HF ham radio bands, considere by far the most popular bands in the amateur service. HF bands offer local QSOs and world-wide propagation are all possible at almost anytime with careful selection of the right frequency for the time of day, time of year, and current state of the sunspot cycle.
[ Hits: 372 | Votes: 1 | Rating: 10 ]

F5LEN Solar Activity forecast - Display solar activity forecast for next 27 days, display A-index, Sunspot Numbers and Flux forecast including graphs for solar activity and geomagnetic forecast. All forecasts are updated daily.
[ Hits: 2683 | Votes: 4 | Rating: 7.25 ]
DR2W - DX Propagation - DX Propagation by DR2W! High resolution SNR maps in pseudo color. Propagation based on the actual sunspot number.
[ Hits: 1303 | Votes: 15 | Rating: 8.06 ]

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: 855 | Votes: 1 | Rating: 10 ]
Radiowave Propagation Center - High frequecy and VHF radio propagation data, solar and geomagnetic real-time and historic data, sunspot activity reports, as well as forecasts. A comprehensive propagation resource compiled by Tomas Hood, editor of the propagation columns of CQ, CQ VHF, Popular Communications, and Monitoring Times magazines.
[ Hits: 444 | Votes: 1 | Rating: 10 ]

SpaceWeatherLive Solar Activity - Real-time solar activity page at SpaceWeatherLive.com display sunspot regions, indicating sunspot numbers of with manitude class, Solar Flares and a list of daily events on the sun.
[ Hits: 250 | Votes: 1 | Rating: 8 ]
Sunspot Cycles and Human History - An article edited and published by Michael Mandeville on correlation of sunspot peaks and global events, like recessions or human conflicts. This document include solar cycle charts since Solar Cycle 1749-1751
[ Hits: 445 | Votes: 1 | Rating: 10 ]
The Next Sunspot Cycle - Waiting For The Next Sunspot Cycle 2019-2030, how will be the next solay cycle and when it will begin
[ Hits: 486 | Votes: 4 | Rating: 6.75 ]

Solar Region Data - SunSpots - Solar Region Data Current Regions with Sunspots Summary, an useful tool for predictions
[ Hits: 4440 | Votes: 13 | Rating: 4.84 ]
NASA Sunspot Cycle Predictions - Nasa MSFC predictions on the behavior of current sunspot cycle.
[ Hits: 7890 | Votes: 36 | Rating: 6.91 ]
Sunspots explained - History, activity, glossary and modern reseach about suspots
[ Hits: 1349 | Votes: 2 | Rating: 3.5 ]
Sunspot numbers explained - Definition of smoothed sunspot number and R12 index
[ Hits: 1100 | Votes: 2 | Rating: 4 ]
About Sunspot cycles - Theory to explain solar cycles variability proposed by Jean-Pierre Desmoulins
[ Hits: 2143 | Votes: 7 | Rating: 5.28 ]
RWC Belgium - World data center for the sunspot index
[ Hits: 1658 | Votes: 11 | Rating: 9.01 ]
Real time sunspots number - Space Weather: Real-Time 24hr Effective Sunspot Number
[ Hits: 6267 | Votes: 41 | Rating: 6.09 ]
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: 1389 | Votes: 3 | Rating: 8.33 ]
About Smoothed Sunspot Number - The short history of the SSN Smoothed Sunspot Number at Luxorion
[ Hits: 426 | Votes: 0 | Rating: 0 ]

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: 1150 | Votes: 3 | Rating: 4.33 ]