An aviation gasoline fuel composition possessing a high motor octane number and which contains reduced amounts of tetraethyl lead is disclosed. The method involves scanning the contents of the data packets flowing over the data network using a traffic flow scanning engine. The system bus interface simultaneously provides the data or commands to the transport master and to a transport slave. The multi-media information may be displayed on a graphical user interface in a pre-selected format, such as a chronologically arranged list. 3 micron, and the size of the secondary particles may be at least about 0. The seedlayer provides a recording media with relatively high remanent coercivity and relatively high signal to medium noise ratio.