Technology & Science

China Stakes Claim for 200,000-Satellite CTC Megaconstellations in ITU Filings

Between 25–31 Dec 2025, Chinese entities lodged two ITU filings—CTC-1 and CTC-2—each covering 96,714 low-Earth-orbit satellites, dwarfing existing plans and locking in priority dates for future networks.

By Priya Castellano

Focusing Facts

  1. CTC-1 advanced to an ITU coordination request and API stage for 96,714 satellites in 3,660 orbital planes; CTC-2, also 96,714 satellites, remains API-only.
  2. Filings were submitted by the new Institute of Radio Spectrum Utilization and Technological Innovation, not the current Guowang or Qianfan operators.
  3. China’s commercial launcher Landspace separately won a 2025 contract to loft 18 Guowang satellites with its reusable Zhuque-3, highlighting the parallel build-out of launch capacity.

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Perspectives in this article

  • Western space industry media
  • Chinese state-owned media
  • Technology commentary sites
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