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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

Astronaut Chris Cassidy, KF5KDR, and two Russian cosmonauts arrived on April 9 as the Expedition 63 crew on the International Space Station, temporarily restoring the orbiting laboratory’s population to six people. A Soyuz spacecraft transported Cassidy, Anatoly Ivanishin, and Ivan Vagner on a four-orbit, 6-hour flight after launching from Baikonur Cosmodrome in Kazakhstan.

The Expedition 63 cre...

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