GSM locator in netherlands
Netherlands MCC MNC
Tele2 (Netherlands) B.V. 204 02
Vodafone Libertel N.V. 204 04
KPN Telecom B.V. 204 08
BT Ignite Nederland B.V. 204 12
BEN Nederland B.V. 204 16
Dutchtone N.V. 204 20
NS Railinfrabeheer B.V. 204 21
AT+COPS? to obtain MCC and MNC
Network survey started…
arfcn: 48 bsic: 24 rxLev: -52 ber: 0.00 mcc: 610 mnc: 1
lac: 33281 cellId: 3648 cellStatus: CELL_SUITABLE
numArfcn: 2 arfcn: 30 48 numChannels: 5 array: 14 19 22
arfcn: 14 rxLev: 8
Network survey ended
AT+CREG? to obtain LAC and CID
Command AT+CGREG? gives answer +CGREG: <n>,<stat>[,<lac>,<ci>] or if not available +CME ERROR: <err>
You can also get LAC and CID codes by downloading a software on your mobile phone:
Cellspotting GSM locator: http://www.cellspotting.com – Nokia S60 or above, Sony Ericsson JP7 or above
Network Monitor GSM locator: http://www.ottaky.com/midlets.php – Sony Ericsson JP7 or above
Cell track: http://www.afischer-online.de/sos/celltrack/ – Symbian S60 or above
Net Monitor GSM locator: http://www.androlib.com/android.application.com-parizene-netmonitor-iCEn.aspx – Android
Cell finder GSM locdator: http://code.google.com/p/codetastrophe/ – Android
Cell Tower Locator GSM locator: http://www.appbrain.com/app/cell-tower-locator/tm.app.cellTowerLocator – Android
Install the app on your phone. Start the App and get the LAC and CID codes.
You try to get as many as you can because the more you have the more accurate will be the location.
The concept is that the further away from the transmitter the weaker will be the signal. So you can draw circles on a map around each transmitter location describing the strength of the received signal.
If you have two transmitters received at your GSM location you draw for example the signal strength 5 circle for one and the strength 3 circle for the other. Now you probably have two points where the circles cross. A third antenna can definitively give the location by simple triangulation.