<P> Traffic Message Channel ( TMC ) is a technology for delivering traffic and travel information to motor vehicle drivers . It is digitally coded using the ALERT C protocol into RDS Type 8A groups carried via conventional FM radio broadcasts . It can also be transmitted on Digital Audio Broadcasting or satellite radio . TMC allows silent delivery of dynamic information suitable for reproduction or display in the user 's language without interrupting audio broadcast services . Both public and commercial services are operational in many countries . When data is integrated directly into a navigation system , traffic information can be used in the system 's route calculation . </P>
<P> Traffic Message Channel ( TMC ) is a technology for delivering traffic and travel information to motor vehicle drivers . It is digitally coded using the ALERT C protocol into RDS Type 8A groups carried via conventional FM radio broadcasts . It can also be transmitted on Digital Audio Broadcasting or satellite radio . TMC allows silent delivery of dynamic information suitable for reproduction or display in the user 's language without interrupting audio broadcast services . Both public and commercial services are operational in many countries . When data is integrated directly into a navigation system , traffic information can be used in the system 's route calculation . </P>
what does tmc mean on volvo sat nav
what does tmc mean on volvo sat nav
Traffic Message Channel
Traffic Message Channel