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Radio Propagation


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D-Region Absorption
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Created by PA4RM

The MarconISSta experiment at the Amateur Radio on the International Space Station (ARISS) Columbus module ham station will be decommissioned on February 9, about 3 weeks earlier than anticipated. MarconISSta is a radio spectrum analyzer on the ISS that monitors parts of the RF spectrum in VHF, UHF, L, and S bands in order to analyze current use and availability for satellite communication.

The...

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