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Propagation Links
AE4TM's HF Progagation Study
Amateur Radio Propagation Studies  by DF5AI
Archive of Solar Images
Auroral Activity Extrapolated from NOAA POES  Shows most recent polar pass
Aurora Forecast  From the University of Alaska's Geophysical Institute
Basics of Radio Wave Propagation
Coordinated Amateur Radio Observation System (CAROS)
Current 10.7cm Solar Radio Flux
Current Solar Forecast (NOAA)
Current Solar & Geophysical Indices  Updated hourly
Current Solar Images  A gallery of up-to-date solar pictures
Currently Active Warnings & Alerts
D-Region Absorption Prediction Model
Daily Ionospheric Summary Reports
Daily Solar Flare and Sunspot Data  From the NOAA Space Environment Center
Daily Summary of Solar & Geophysical Activity
Daily Sunspot Summaries  From the NOAA Space Environment Center
FM, TV & DTV Propagation Curves Calculations
GeoAlert Wizard  by Kangaroo Tabor software
Geophysical Institute Auroral Forecast Maps
GOES X-Ray Flux Chart  Updates every minute
Grayline Location
IPS Radio and Space Services
International Beacon Project  by IARU and NCDXF
International Telecommunications Union
Ionospheric Data Archived at NGDC  Information on the structure of the ionosphere
Keplerian Bulletin  by ARRL
Latest 48 Hours of Solar Wind Data
Latest SOHO Coronagraph Images  From the Naval Research Lab
Latest Solar-Geophysical Event Reports
Latest Space Weather  Southwest Research Institute
List of Coronal Mass Ejections  From 1998 to present
List Of The Potentially Hazardous Asteroids (PHAs)
Marshall Space Weather Bureau  10 day solar animation site
N1BUG's Aurora Monitoring Web Site
NGDC Introduction To The Ionosphere
Natioinal Space Science Data Center
Near-Real-Time Ionospheric X-Ray Maps
Near-Real-Time E-Layer Critical Frequency Map
Near-Real-Time F2-Layer Critical Frequency Map
Near-Real-Time Map of the F2-Layer Height Maximum
Near-Real-Time Map of Solar Zenith Angles
Near-Real-Time MUF Map
NOAA Geomagnetic Latitude Maps: Eurasia, N America, S Africa & Australia, S America
Observable Comets  From the Harvard Minor Planet Center
Radio Mobile Software  Predict the performance of a radio system. Windows 95, 98, Me, NT, XP, 2000.
Radio Propagation Analysis Software  "Beamfinder"
Real-time Solar Wind Data  From NASA's ACE spacecraft
Sodankylä Geophysical Observatory
Solar and Heliospheric Observatory  Realtime & archival images of the Sun from SOHO
Solar Cycle 24  Information and propagation forecast by VE3EN
Solar Cycle Status Report
Solar Terrestrial Activity Report - Cycle #24
Solar Cycle 25 Prediction
Solar Terrestrial Dispatch Site  Check progression of solar flux numbers
Space Weather  Science news and information about the Sun-Earth environment
Space Weather Alerts (SEC)
Space Weather Now
Space Weather Phone Alerts  Get reports the good old fashion way - via telephone
The Basics of Radio Wave Propagation  by AE4TM
The Solar Guide  Explains A and K indices, flux numbers, sunspot numbers, etc.
Today's Space Weather
Weekly Summary & 10 Day Forecast  via eMail
What is the Interplanetary Magnetic Field (IMF)?  From the University of Michigan.
W6ELProp  New Windows version of MiniProp
160 meter radio propagation