Birdwatch Archive

Birdwatch Note Rating

2023-06-21 20:47:27 UTC - HELPFUL

Rated by Participant: C7C753B9FCBC7C5E0FA33F791D4A238D3634EFFA363697410BE87D611190B8BB
Participant Details

Original Note:

Starlink operates in the 10.7 to 12.7 GHz band. https://radionavlab.ae.utexas.edu/wp-content/uploads/2023/01/starlink_structure.pdf Penetration depth of 2.45GHz in water is <8cm and falls off with increasing frequency. https://cober.com/wp-content/uploads/2018/06/Microwave-Technology-Cober-website-v08-23-17.pdf Therefore, Starlink cannot be used to communicate with an underwater submarine.

All Note Details

Original Tweet

All Information

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  • version - 2
  • agree - 0
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  • helpfulnessLevel - HELPFUL
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  • notHelpfulOpinionSpeculationOrBias - 0
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  • ratingsId - 1671380343926956032C7C753B9FCBC7C5E0FA33F791D4A238D3634EFFA363697410BE87D611190B8BB