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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 malfunctioning Amateur Radio on the International Space Station (ARISS) “HamTV” transmitter now is back on Earth for repair or replacement, and it likely won’t be until sometime in 2020 at the earliest that Amateur Radio TV (DATV) capability will be restored to the orbiting laboratory. Onboard repair was not possible.

Also known as “Ham Video,” the DATV system transmissions were not seen by...

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