Hello friends, I am working on project which is Vehicle tracking system, which works on the following principle: 1. GPS system transmit the current longitude/latitude/GMT to MC 2. MC transmit this position information via a SMS to a mobile phone through a GSM device 3. Crystal freequency is 11.0592 MHz PLZ I need help me. I am doing this project is under such a big name unversity. If it is sussed the good for you and me.