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Amateur Radio Propagation Studies, DF5AI

Thunderstorm effects on 144 MHz sporadic E communication

Dx propagation wwv predictions

dynamic collection of propagation information gathered from many different sources

HF Propagation Models

The software contained within was developed by an agency of the U.S

HF Propagation Using Solar Indices

Quick Guide to HF Propagation Using Solar Indices

HF propagation aurora auroral troposphere

HF Propagation Tools and Solar

Prophf

Uses the same calculations methods and procedures than DXPROP

Propagation Tools, NB6Z

The Solar Flux Index is a gauge of solar particles and magnetic field

Radio Propagation Introduction

Ham Radio operators, shortwave radio enthusiasts often talk about propagation

Solar Activity and Climate

Space weather may also in the long term affect the Earth's climate. Solar ultra-viole

Solar activity and geomagnetic forecast,F5LEN

Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Cente

Solar Cycle Progression

The charts on this page depict the progression of the Solar Cycle

Solarcycle24.com

Solar Cycle 24, Spaceweather, Amateur Radio VHF Aurora

Topband - 160 meter Radio Propagation

Welcome to the Topband radio propagation section! In this area

Understanding Solar Indices

Long distance HF radio communications is made possible by a region of charged particles


Modif. September 27 2020