@param context App context @param importFile URI pointing to the file cell_towers.csv or cell_towers.csv.gz @param mobileCountryCode

@param context App context @param type What type of request to be performed (download OCID, upload OCID, etc.) @param listener Allows the caller of Re

This class cannot be instantiated

Private constructor. Prevents instantiation from other classes.

Remove Signal Strength data from DB, that is older than N days: (days number of seconds in a day) seconds to milliseconds

Imports data from cell_towers.csv <p/> <blockquote> opencellid.csv layout: lat,lon,mcc,mnc,lac,cellid,averageSignalStrength,range,samples,changeable,r