Birdwatch Archive

Birdwatch Note Rating

2023-06-21 14:50:33 UTC - HELPFUL

Rated by Participant: F8345965814857B352FA8144E982895D76019865EF94239CF543A42FD9922E5F
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 -
  • raterParticipantId - F8345965814857B352FA8144E982895D76019865EF94239CF543A42FD9922E5F
  • createdAtMillis - 1687359033616
  • version - 2
  • agree - 0
  • disagree - 0
  • helpful - 0
  • notHelpful - 0
  • helpfulnessLevel - HELPFUL
  • helpfulOther - 0
  • helpfulInformative - 0
  • helpfulClear - 1
  • helpfulEmpathetic - 0
  • helpfulGoodSources - 1
  • helpfulUniqueContext - 0
  • helpfulAddressesClaim - 1
  • helpfulImportantContext - 1
  • helpfulUnbiasedLanguage - 1
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  • notHelpfulIncorrect - 0
  • notHelpfulSourcesMissingOrUnreliable - 0
  • notHelpfulOpinionSpeculationOrBias - 0
  • notHelpfulMissingKeyPoints - 0
  • notHelpfulOutdated - 0
  • notHelpfulHardToUnderstand - 0
  • notHelpfulArgumentativeOrBiased - 0
  • notHelpfulOffTopic - 0
  • notHelpfulSpamHarassmentOrAbuse - 0
  • notHelpfulIrrelevantSources - 0
  • notHelpfulOpinionSpeculation - 0
  • notHelpfulNoteNotNeeded - 0
  • ratingsId - 1671380343926956032F8345965814857B352FA8144E982895D76019865EF94239CF543A42FD9922E5F