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

dhs threat level

Map of solar zenith angles

Wed, 08/27/2014 - 11:00pm
Global map of Solar Zenith Angles, or angles indicating the elevation of the sun above the horizon

Explanations of LDE

Tue, 08/26/2014 - 11:00pm
15 possible explanations for Long Delayed Echoes by University of Oslo

Radio Signal Propagation

Tue, 08/26/2014 - 11:00pm
Concise guides to radio signal propagation including topics such as the ionosphere, troposhere, ionospheric refraction, E layer, D, layer etc.

D-Region Absorption Prediction

Tue, 08/26/2014 - 11:00pm
This map represent the current position of the sun and how a solar flare influence an HF fade. Estimated recovery time is also represented. Includes son java and javascript animations of last two hour conditions


Tue, 08/26/2014 - 11:00pm
Online professional-grade high-frequency (3-30 MHz) propagation predictions

NOAA Space Weather Scales

Mon, 08/25/2014 - 11:00pm
The NOAA Space Weather Scales were introduced as a way to communicate to the general public the current and future space weather conditions and their possible effects on people and systems. The scales describe the environmental disturbances for three event types: geomagnetic storms, solar radiation storms, and radio blackouts.

Propagation eAlert Service

Mon, 08/25/2014 - 11:00pm
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.

F5LEN Solar forecast

Mon, 08/25/2014 - 11:00pm
Display solar activity forecast for next 27 days, display A-index, Sunspot Numbers and Flux forecast

DR2W - DX Propagation

Sun, 08/24/2014 - 11:00pm
DX Propagation by DR2W! High resolution SNR maps in pseudo color. Propagation based on the actual sunspot number.

Natural VLF Radio

Sun, 08/24/2014 - 11:00pm
Sounds of Space Weather by S. McGreevy, N6NKS

Propagation Prediction Tool

Sun, 08/24/2014 - 11:00pm
This is a propagation prediction program tailored to the serious contester

RWC Belgium

Sun, 08/24/2014 - 11:00pm
World data center for the sunspot index

160 m Propagation Prediction

Sun, 08/24/2014 - 11:00pm
160 Meter Radio Propagation Prediction Table

H.F. F-Layer Propagation Predictions

Sun, 08/24/2014 - 11:00pm
Assembled from a prediction model written by VE5ZX/G0TZX, from parameters supplied by G4FKH

PA1SIX six meter propagation

Sat, 08/23/2014 - 11:00pm
F2 and TE propagation on 6 meter

Refractive Index maps for Europe

Sat, 08/23/2014 - 11:00pm
Refractive Index maps forecast for Europe

Basics of Radio Wave Propagation

Sat, 08/23/2014 - 11:00pm
Exaustive introduction to radio wave propagation, includes a very detailed glossary on common propagation terms, composed by AE4TM.

Current Optimal Frequency Charts

Sat, 08/23/2014 - 11:00pm
Optimal Working Frequencies (MHz) for High Frequency (HF) / Shortwave Radio. By region, updated monthy.

Last 30 Days Solar Data

Sat, 08/23/2014 - 11:00pm
Display a table of last 30 days sunspots reports. Prepared by the U.S. Dept. of Commerce, NOAA, Space Environment Center

Amateur Radio Propagation RSS (XML) Live Feed

Fri, 08/22/2014 - 11:00pm
Live space weather and propagation data, in RSS (XML) format.