Mysterious ‘Pips’ from the Chinese JILIN Constellation

Why is an imaging satellite constellation acting like a mobile-satellite communications system?

China’s first self-developed commercial remote sensing satellite system known as JILIN is sending strange wideband data pips in a quiet piece of spectrum on L-band. The JILIN system is operated by Chang Guang Satellite Technology Company in Beijing. No public references have been found by the author about what these emissions from the satellites purpose is.

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