February 2010 onwards
A SMS send by TrackMe looks like this
ID , Time in UTC GMT , Distance, Coordinates, Altitude , Bearing to launch
TrackMe is a
You can download the TrackMe code from
The code assume that you use an external Bluetooth GPS.
Using a build in GPS kills the battery too fast.
Any Bluetooth enabled S60 phone should be able to run the code.
Deactivate in the Nokia the Internal GPS when flying with a Bluetooth external GPS.
In the Nokia 6170N you find this in Settings - Settings - General - Positioning ,
Deactivate Integrated GPS
And activate Bluetooth GPS
On a Nokia 6170N
Use Options Start
Accept or change the minimum distance.
Only if you are further than this distance from where you started the application an SMS will be sent
In this case one has to be 2km away before an SMS gets send.
It can be 0, then a SMS will be send no matter how far away you are.
Next, Accept or change the SMS Intervall
In this case every 10 minutes the code will try to send an SMS.
Can be anything from 1 minute to 60 minutes.
And finally accept or change the cell phone number to where you want the SMS to be sent.
after accepting the phone number a screen that diplays
your current coordinates
how many SMS have been sent
and the distance to where you activated the code
Under Options is a SMSNOW possibility.
If you Select it then a SMS will be sent now to the number defined at startup.
In the Phone Memory Data directory one can have a trackme.txt file to store your defaults.
One can use the Nokia PC Suite File Manager to create and edit this file.
File format is XXX PhoneNumber Intervall Distance
XXX = 3 Characters to identify the SMS on the receiving side. ( In case the recovery got multiple pilots )
II Intervall in Minutes , anything from 1 to 60 , 2 digits, 1 has to be 01
Distance , anything from 0 to 99, 0 means no distance check , has to be 00 , or 01, ... 2 digits
File can be found in the phone under Organizer-File Manager in the trackme.txt file
The self signed sisx file Installation. Newer phones accept sisx format.
Requires Nokia PC Suite to install sisx file.
Right Click sisx file and use Option
Install with Nokia Application Installer
Sending a SMS with the following contents
REQ E3CB2ADA -26.13512678 28.16690833
will trigger in TrackMe to send a SMS to the predefined number, that got accepted at startup.
REQ E3CB2ADA is required
-26.13512678 28.16690833 is NS and EW coords. Do not get used at the moment. Can be anything.
One can install a JAVA J2ME Midlet from
that will generate the SMS and send it for you from any JAVA enabled phone
For more info see ...
The JAVA J2ME Midlet to trigger a SMS query in TrackMe
In case the sisx file will not install, here is a
Presentation on how to sign the sis file http://gpstp.sourceforge.net/TrackMeDoc/Sis_Sign.ppt
MS Word doc on how to sign http://gpstp.sourceforge.net/TrackMeDoc/How-to-sis-sign.doc