Birdwatch Note Rating
2023-06-23 16:01:57 UTC - NOT_HELPFUL
Rated by Participant: 5EB348940336892F47E7221B75845FD9A17A5248DFCAD5BAAFFD2C15B78A11AD
Participant Details
Original Note:
Radio frequencies used by GPS cannot penetrate water beyond a few centimetres. https://link.springer.com/article/10.1007/s00190-018-1147-x Wildlife trackers with transmitting capability either use acoustic signals to a nearby vessel, or RF which requires the animal to surface or the tag to detach and float (by design). https://www.himb.hawaii.edu/ReefPredator/Tools.htm
All Note Details