Chen Fangyun: a two-satellite positioning and communication concept

What changed

A resource-constrained regional positioning architecture became a concrete research programme.

Scientific scope

Chen's 1983 concept; team engineering, the 1989 demonstration and later BeiDou systems are excluded.

Evidence

The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. This is the 1983 concept attributed by the Chinese Academy of Sciences to Chen. Team engineering, the 1989 demonstration and the later BeiDou system are distinct stages.

Contributors

• Chen Fangyun · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.

• Chinese Academy of Sciences: Chen Fangyun and two-satellite positioning

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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