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Updating
mvglasow edited this page Apr 15, 2017
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A new TMC message updates a previously received one if all of the following are true:
- The primary location (CC, LTN and Location Code) matches (location code 65535 matches anything)
- The directionality matches
- The update class of at least one event matches (special event 2047 matches anything)
- The sending TMC service (CC, LTN and SID) matches
- The duration matches, or the message is not a forecast event
- The new message is complete