Although I am unsure when this geosynchronous amateur satellite is due to be launched, it could revolutionise amateur radio, if successful. It should allow communications from as far apart as Brazil and Thailand. It will use a 10GHz downlink and 2.3GHz uplink, I think. Being geosynchronous, antennas can be fixed in one direction, with no need for tracking. There are 2 linear transponders I think. The 250kHz wide one for SSB etc will be like a new DX band.
I know of one local who is building gear in readiness.
See https://amsat-uk.org/satellites/geosynchronous/eshail-2/ .
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