Am trying to do a project, real time tracking of athletes using GPS, but i have a problem with the communication part between the transmitter and the receiver. Was told GSM can be used but i dont know how, Any other method???? and how do they work. Websites will be greatly appreciated.

There are many coordinate systems available in mathematics. These aim at locating without ambiguity a given in regard to the origins of the coordinate system. Many coordinate systems are used in mathematics and physics. For instance, the Cartesian coordinate system and the polar coordinate system are used in science. The General Positioning System (GPS) makes [...]