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![](https://secure.gravatar.com/avatar/40381f3237d1e9d6c75f9b881001af5b.jpg?s=120&d=mm&r=g)
First call for speakers for the AMSAT-UK International Space Colloquium 2020
by David Johnson 07 Feb '20
by David Johnson 07 Feb '20
07 Feb '20
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