Birdwatch Note Rating
2023-06-22 13:39:34 UTC - SOMEWHAT_HELPFUL
Rated by Participant: 80AEBB42AC8125C59BBBB39A4316CA99DA3C0E8E47EDA22B17489D1773060A90
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