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Radio Propagation


Solar X-rays:
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D-Region Absorption
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Created by PA4RM

Amateur radio is featured in the publication, ITU Guidelines for national emergency telecommunication plans, published by the International Telecommunication Union (ITU) Development Sector (ITU-D). The publication notes that radio amateurs have supported communication in emergency situations on a voluntary basis since the dawn of radio.

“They are experts in radio communications and have the equi...

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