Table 2.
An example of the sightings data.
| ID | Timea | Locationb | 
|---|---|---|
| 3X35E90 | 1319242582 | 34.044162|–112.454400 | 
| 3X35E90 | 1319242583 | 34.044059|–112.455550 | 
| 3X35E90 | 1319301785 | 34.044392|–112.453519 | 
Time is Unix timestamp—defined as the number of seconds that have elapsed since 00:00:00 Coordinated Universal Time, Thursday, 1 January 1970.
Location is the longitude and latitude coordinates of mobile phones.