Birdwatch Archive

Birdwatch Note Rating

2023-06-21 13:08:12 UTC - HELPFUL

Rated by Participant: A0771F8CF493F7B2A9D2DEA5027138BF1786B6D30665E62C4CF4AD2B5F657CD7
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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  • helpfulnessLevel - HELPFUL
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