Assessment of Smartphone Positioning Data Quality in the Scope of Citizen Science Contributions

Table 6

An estimation of the time to first fix based on an average travelled time (minutes).

Transport mode	Travelled time		Average TTFF
	Average	Std. Dev.	Rural	Urban
Bike	21.9	11.0	0.6	1.1
Bus	27.0	16.1	0.8	1.9
Driver	18.6	11.1	0.4	0.5
Foot	13.7	10.5	0.7	1.1
Moto	32.9	9.6	0.2	0.8
Passenger	27.5	14.9	0.6	1.3
Train	33.2	12.7	3.4	5.4
Tram	18.6	9.7	2.0	2.0