From the Sensor Data Table, click on the icon below to view the participant's GPS data:  


The table lists samples in reverse chronological order, i.e. starting with the most recent. Only the first 100 samples are displayed. To download the complete data file for the participant, click on the "Download CSV" link.


Notes: 

  • If your account is set up to only collect GPS at the time of survey completion then the GPS coordinates will be in the Rapid Report File along with the survey data.
  • You may see more columns than are outlined in this guide. Different phones and services provide additional GPS data types. Here we cover the main ones.




Data TypeDefinition
sbj_id
mEMA App internal id for tracking participant.
rsp_id
Same as sbj_id. 

mbl_cod

mEMA App participant code.

dte_tme

Local date and time of when location was captured as provided from user/participant phone.

ts

Time stamp of when the location data was captured as provided from the user/participant phone.

timezone_offset

Time zone of the user/participant as provided by the user/participant phone.

event

App status of when the location was captured, which will be either "Location-Changed FG" or "Location-Changed BG".

enabled

Status of location tracking if it's enabled or disabled.
*currently empty field on data from iOS devices
event_typeStatus of location activity.
*currently empty field on data from iOS devices
source

Which type was the source, Network, GPS or both.

*currently empty field on data from iOS devices

accuracy

In meters. As supplied by source.

*currently empty field on data from iOS devices

latitude

Location coordinate

longitude

Location coordinate

placeLocation place as provided by Phone.
*currently empty field on data from Android devices
seconds_on

Current settings (If Periodic Geotracking is enabled)

*currently empty field on data from iOS devices

seconds_off

Current settings (If Periodic Geotracking is enabled)

*currently empty field on data from iOS devices

time_interval

In seconds. Minimum time interval between updates

*currently empty field on data from iOS devices

distance

In meters. Minimum distance between updates

*currently empty field on data from iOS devices

geofence_count

Number of Geofences active at time

*currently empty field on data from iOS devices

recorded
Local date and time of when the data was recorded.
*currently empty field on data from iOS devices
satellite_count
Refers to the number of satellites that a GPS receiver is connected to or using to calculate its position.
*currently deprecated
distance_change
Change in distance since last location data was captured.
*currently empty field on data from iOS devices
added
Date and time of when the location data was added into the table in UTC timezone.
upload_ts
Timestamp of when the location data was uploaded to the server.