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Radio Propagation


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

The amateur radio linear transponder (SSB/CW) on the Russian DOSAAF-85 (RS-44) has been activated. Dmitry Pashkov, R4UAB, explains that RS-85 is a small scientific satellite built by specialists at Information Satellite Systems and students at Siberian State Aerospace University (SibSAU).

The satellite’s name commemorates the 85th anniversary of the Voluntary Society for the Assistance to the Ar...

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