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Large geostationary satellites often have a bit of space, power and bandwidth to carry secondary payloads. For example, the recently launched Elektro-L 3 satellite carries secondary payloads: The satellite also carries instruments to monitor space weather and a search-and-rescue communications payload, according to information published by Roscosmos. ...


Space politics is complicated - at a bare minimum you need approval from the regulatory body that has jurisdiction over the region that you plan to transmit/receive over. Depending on the launch location, you may need additional approval. Typically these requests are handled in tandem by the FCC and the International Telecommunications Union (ITU) and/or the ...

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