The spacecraft is being created by satellite builders for the planned renewal of the Russian orbital telecommunications group. "Express-AMU4" is designed by them on the basis of "Express-1000N", it is planned to be launched in 2026. It will provide communication and broadcasting over America, Europe, parts of Africa and the Middle East for at least 15 years.
"Express-AMU4" is positioned as a completely domestic import-independent satellite. Now in Zheleznogorsk, they have begun assembling a set of onboard equipment for it.
As a result of the development, the specialists of JSC "РЕШЕТНЁВ" managed to reduce the weight and dimensions of the energy converting complex, as well as the components of the onboard control complex, compared to the original designs. Optimization was achieved through the use of domestic components, as well as more advanced software, on the basis of which part of the functions of the hardware component of electronic units will be implemented.
After assembly, the first samples of new devices will undergo ground experimental testing. The inside of the satellite will undergo mechanical, thermal, thermal vacuum tests and electromagnetic compatibility testing. After that, based on the test results, working flight equipment will be manufactured for the Express-AMU4 satellite.
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