An apparatus and method for determining real time location of assets by calculating the relative position of a plurality of GPS enabled devices transported together, taking advantage of multiple GPS enable devices being transported together including dual band GPS and averaging location data between US and European GPS data. While receiving a service over a particular delivery route, a user of a user device is provided with the capability to request an alternate route to continue to deliver the service via a user interface operation. The fibers are distributed through the shield material in an manner that the heat and flame resistant fibers collect closest to the outer surface of the shield with the heat and flame resistant zone, and the voluminous bulking fibers collect closest to the outer surface of the shield material with the voluminous bulking zone. A generic spread number and the maximum number of outright positions are determined. The ester includes an ester and a dermatologically acceptable carrier.