Propagation & Weather
Propagation
Space Weather by SolarHam.net from VE3EN
Great collection of solar tools and information (lots of photos) to help hams fully understand current conditions.
NOAA Space Weather Prediction Page
The go-to guys for what’s in space http://www.swpc.noaa.gov/communities/radio-communications
Solar Terrestrial Activity Report
Jan Alvestad’s endless search for sunspots
http://www.solen.info/solar/
Sunrise/Sunset calculator for Arizona
Use that grey line for contest advantage
http://www.sunrisesunset.com/usa/Arizona.asp
N0NBH HF Propagation and Solar Data Tools
A fantastic collection of useful, real-time solar & propagation tools you can use, and gadgets to add to your ham website.
http://www.hamqsl.com/solar.html
WX
NOAA National Weather Service
The go-to guys for what’s in the air
http://www.weather.gov/
Weather Underground
Fun reference site for all things wx-related, including customized forecasts
http://www.wunderground.com/
Vaisala Lightning Explorer
Map displays lightning strikes across US -- updated every 20 minutes.
http://thunderstorm.vaisala.com/explorer.html
Worldwide Lightning Location Network
University of Washington @ Seattle operates this worldwide network of 40 VLF sensors, with excellent displays on their website -- updated every 10 minutes.
http://www.wwlln.org/
