Birdwatch Note Rating
2023-06-22 14:49:04 UTC - HELPFUL
Rated by Participant: CE17BD47B1263A4C59BC3CC1B51A55A40335E9AED17254FE8FC0008D96476A5D
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