Alcance
This document specifies location referencing rules to address the specific requirements of TrafficMessage Channel (TMC) systems, which use abbreviated coding formats to provide traffic and travelinformation (TTI) messages over mobile bearers (e.g. GMS, DAB) or via exchange protocols like DATEXII. In particular, the rules address the Radio Data System-Traffic Message Channel (RDS-TMC), a meansof providing digitally-coded TTI to travellers using a silent data channel on FM radio stations, based onthe ALERT-C protocol.