The eRaytec Automatic Vehicle Tracking System (eRaytec AVTS) allows tracking of vehicles in real time. This system is ideal for owners of fleets/trucks/ busses who would like to track vehicle location and collect GPS data at real time. It is an aid to Logistics & Supply chain management and increases the efficiency of warehouse management and vehicle management systems. It allows vehicle owners to keep tabs on their vehicles and goods and also acts as a deterrent to drivers engaging in untoward activities.