Birdwatch Note Rating
2023-06-24 07:58:55 UTC - HELPFUL
Rated by Participant: FEFF0BBE768DCDA6D3BEE24D4788A89FD2623F1243B99CC0FB4F07EC582EDE95
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