Solar X-rays: Solar Xray Status
Geomagnetic Field: Geomagnetic Field Status

dhs threat level

The 160-Meter Band: An Enigma Shrouded in Mystery

Mon, 07/21/2014 - 11:00pm
Lights on why 160 meters is so unpredictable and whatâ??s being done to reveal its secrets

Real time F2 Map

Mon, 07/21/2014 - 11:00pm
Global real time ionospheric foF2 map

Propagation prediction for South Africa Region

Sun, 07/20/2014 - 11:00pm
Propagation forecast for the southern African region by SANSA

NOAA Kp Index Monitor

Sun, 07/20/2014 - 11:00pm
The Estimated 3-hour Planetary Kp-index plot

Long Path Propagation

Sun, 07/20/2014 - 11:00pm
Long path hf radio propagation is sometimes the best path to work dx, since the shortest path is not always the best path.

About Sunspot cycles

Sat, 07/19/2014 - 11:00pm
Theory to explain solar cycles variability proposed by Jean-Pierre Desmoulins

Sunspots explained

Sat, 07/19/2014 - 11:00pm
History, activity, glossary and modern reseach about suspots

PA1SIX six meter propagation

Sat, 07/19/2014 - 11:00pm
F2 and TE propagation on 6 meter

Geomagnetic and Solar Indices

Sat, 07/19/2014 - 11:00pm
NOAA / Space Weather Prediction Center, Geomagnetic K-indices and Running A-indices, Local Noon Solar Radio Flux, Daily Solar Indices with SSN

Tropospheric Ducting Forecast

Sat, 07/19/2014 - 11:00pm
William Hepburn's Daily Tropospheric Ducting Forecast.

Sunspot activity by NASA

Fri, 07/18/2014 - 11:00pm
Sunspot cycle closely following prediction by Science @ Nasa

G7IZU Radio Reflection Detection Page

Fri, 07/18/2014 - 11:00pm
Meteor Shower, Aurora, Sporadic-E and Solar Flares detected using Radio Signal Reflection, by Andy Smith, G7IZU. Live waterfall displays from three receivers, live Es propagation maps.

VOACAP Online

Fri, 07/18/2014 - 11:00pm
Online professional-grade high-frequency (3-30 MHz) propagation predictions

Amateur Radio Propagation RSS (XML) Live Feed

Fri, 07/18/2014 - 11:00pm
Live space weather and propagation data, in RSS (XML) format.

What the numbers mean in propagation

Thu, 07/17/2014 - 11:00pm
What the Numbers Mean, and Propagation Predictions--a brief introduction to propagation and the major factors affecting it.

Operating NVIS

Wed, 07/16/2014 - 11:00pm
Near Vertical Incidence Sky Wave (NVIS) Propagation, PPT presentation by Marc C. Tarplee, Ph.D. N4UFP

Radio Mobile - Usage guide

Tue, 07/15/2014 - 11:00pm
This website is dedicated to Radio Mobile. Radio Mobile is software by Roger Coudé VE2DBE. The program simulates RF propagation and is for free to the amateur radio community. All you want to know about Radio Mobile can be found here.

About Smoothed Sunspot Number

Tue, 07/15/2014 - 11:00pm
The short history of the SSN Smoothed Sunspot Number at Luxorion

Propagation Prediction Tool

Tue, 07/15/2014 - 11:00pm
This is a propagation prediction program tailored to the serious contester

Solar Region Data - SunSpots

Tue, 07/15/2014 - 11:00pm
Solar Region Data Current Regions with Sunspots Summary, an useful tool for predictions