A tracking buoy (10), comprising: a body portion (12); and a GPS tracking unit (14); wherein the GPS tracking unit (14) is removably contained on or within the body portion (12), and the mass of the tracking buoy (10) being such that less than about 100 mm of the tracking buoy (10) projects above the waterline during operation.
TRACKING BUOY
2016-03-17
Patent
Electronic Resource
English