_id location_suburb   dev_site   location_desc   sub_location   date   dev_netid   val_raw   val_type   val_description   val_cal   val_offset   dev_type   dev_label   dev_powersource   dev_model   dev_network   loc_lat   loc_lng   val_calibrated   location   devicename   timezone   month   year   dayofweek   colspacer
location_suburb dev_site location_desc sub_location date dev_netid val_raw val_type val_description val_cal val_offset dev_type dev_label dev_powersource dev_model dev_network loc_lat loc_lng val_calibrated location devicename timezone month year dayofweek