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PR: 6
| DF5AI - http://www.df5ai.net Amateur radio propagation studies. |
PR: 5
| BeamFinder.net - http://www.beamfinder.net Learn about BeamFinder, a software tool designed to conduct analyses for radio amateurs interested in radio propagation studies. |
PR: 4
| Propagation Resource Center - NW7US - HFRadio.org - http://hfradio.org/propagation.html A HF and VHF radiowave propagation center that offers live propagation and space weather data and forecasts |
PR: 3
| Amateur Radio Propagation Studies - http://www.qsl.net/ik3xtv Offers a scientific studies on the upper atmosphere, a propagation observatory, and links to space weather and propagation resources. |
N/A
| Propagation Service Center - http://www.gironet.nl/home/jpsuys/wwdx Dedicated to long and short term predictions on radio propagation, solar, and terrestrial activity. |
