Decoding The Tianwen-2 Sample Return Mission’s Telemetry Signal
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Daniel Estévez is what we call a high-flight amateur radio. Specializing in the decoding of satellite signals and space probes, the Spaniard has been sharing his technical analyses on his blog for several years. This time, he has attacked a big piece: the telemetry of Tianwen-2, the Chinese probe currently en route to the Kamo'oalewa near-Earth asteroid. To capture the signal, Estévez relied on the radio telescope of Dwingeloo, in the Netherland…
Decoding The Tianwen-2 Sample Return Mission’s Telemetry Signal
China’s Tianwen-2 asteroid sample return mission launched on 28 May of 2025 and is scheduled to arrive at its target – near-Earth asteroid 469219 Kamo’oalewa – in June 2026. This gives folk back on Earth plenty of time to listen in on the probe’s communication with its home base, such as [Daniel Estévez] who recently had a poke at this telemetry as captured by the Dwingeloo radio telescope in the Netherlands. With not a lot of public information…
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