Birdwatch Note Rating
2023-06-22 02:50:15 UTC - NOT_HELPFUL
Rated by Participant: 163685A61C6CC04FD4B9402A9B87A46D134429A4D2854FECD6CC8E433628BD06
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