AD5Q's Propagation Forcast

Current Solar Images at NOAA

Ham Radio OnLine Magazine Propagation Resource List

Ham Radio OnLine Magazine World Wide Propagation Conditions

High Frequency Active Auroral Research Program

Latest Solar Images from NASA

NOAA's radio information page (for radio operators)

Primer on the Space Environment

SOHO - Solar and Heliospheric Observatory

Solar Terrestrial Activity Report

Solar Terrestrial Physics Division of the NGDC

Solar Tower at Mount Wilson Observatory

Sunrise

Today's Space Weather from NOAA