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. Author manuscript; available in PMC: 2017 Jul 1.
Published in final edited form as: Transp Res Part C Emerg Technol. 2016 Jul;68:285–299. doi: 10.1016/j.trc.2016.04.005

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
a

Time is Unix timestamp—defined as the number of seconds that have elapsed since 00:00:00 Coordinated Universal Time, Thursday, 1 January 1970.

b

Location is the longitude and latitude coordinates of mobile phones.