Birdwatch Archive

Birdwatch Note Rating

2023-06-21 19:06:31 UTC - HELPFUL

Rated by Participant: B6CF57B43C88BFD4605B9966B0EA76C5AE83740C58FDDC1761C47A894E7C6981
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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  • participantId -
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  • createdAtMillis - 1687374391254
  • version - 2
  • agree - 0
  • disagree - 0
  • helpful - 0
  • notHelpful - 0
  • helpfulnessLevel - HELPFUL
  • helpfulOther - 1
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  • helpfulClear - 1
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  • helpfulGoodSources - 1
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  • helpfulAddressesClaim - 1
  • helpfulImportantContext - 0
  • helpfulUnbiasedLanguage - 1
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  • notHelpfulIncorrect - 0
  • notHelpfulSourcesMissingOrUnreliable - 0
  • notHelpfulOpinionSpeculationOrBias - 0
  • notHelpfulMissingKeyPoints - 0
  • notHelpfulOutdated - 0
  • notHelpfulHardToUnderstand - 0
  • notHelpfulArgumentativeOrBiased - 0
  • notHelpfulOffTopic - 0
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  • ratingsId - 1671380343926956032B6CF57B43C88BFD4605B9966B0EA76C5AE83740C58FDDC1761C47A894E7C6981