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Reblogged by jsonstein@masto.deoan.org ("Jeff Sonstein"):

PA0ETE@wokka.be wrote:

2023: Geostationary Microwave Amateur Payload Proposal. Frank Zeppenfeldt PD0AP, ESA

https://www.youtube.com/watch?v=_FTvlEyDa1Y

#hamradio #amateurradio #radioamateur #zendamateur