Tracking collar
Encyclopedia
Tracking collars are collars used as a radio beacon
Electric beacon
Electric beacons are a kind of beacon used with direction finding equipment to find ones relative bearing to a known location .The term electric beacon includes radio, infrared and sonar beacons.- Radio beacons :...

 to track animal migration
Tracking animal migration
For years scientists have been tracking animals and the ways they migrate. One of the many goals of animal migration research has been, of course, to determine where the animals are going; however, researchers also want to know why they are going "there"...

 for research. Some pet owners use these collars for GPS tracking
GPS tracking
A GPS tracking unit is a device that uses the Global Positioning System to determine the precise location of a vehicle, person, or other asset to which it is attached and to record the position of the asset at regular intervals...

 and geofencing
Geofence
A geo-fence is a virtual perimeter for a real-world geographic area.A geo-fence could be dynamically generated—as in a radius around a store or point location. Or a geo-fence can be a predefined set of boundaries, like school attendance zones or neighborhood boundaries...

of their pets.
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