How to receive data (latitude,longitude) from mobile's gps to My PC

Hi All,
i'm very hoppy t in this forum.
i have some questions that i can't to get answers from google engine
I am developing and application to track mobile (GSM mobile) using gps.
I have questions related to this topic:
How to receive data (latitude,longitude) from mobile's gps to My PC ?:
Is the location information of mobile transmitted during calling ?
what is the required equipment to connect my pc to mobile network (GSM network) ?
NOTE : i want from this equipment to receive data (latitude,longitude) from mobile (which gps enabled ) to My PC during calling ?

can you help me
and thanks you so much

oh...i am sorry i can't help you. but welcome you here.