Story perspectives
Starshield Satellites' Signals Raise Global Spectrum Concerns
11/15/2025
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Story summary
- About 170 Starshield satellites SpaceX built for the U.S. National Reconnaissance Office emit signals in the wrong direction, raising spectrum-management concerns.
- Satellite researcher Scott Tilley discovered the emissions operate in a frequency band for Earth-to-space communications.
- No public complaints have been reported, but Tilley warns they could disrupt NASA and NOAA satellite reception.
- The signals were detected over Canada, the United States, and Mexico, implying global spectrum-use implications.
