GSM module located by Timing advance TA. Example on TA combined with Angle of Arrival and analysing sector antennas http://ow.ly/14y7U
13.03.2010Â Remark of the author after sending the tweet:
I am working on a GSM based locating system that will cover 180 countries. The first GSM based locating I launched 10 years ago at World Trade Show EXPO 2000 in Hanover Germany.