See also:

Displaying radio PS (Program Service Name) and RT (Radio Text)
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Feature of distance marker
1) 3 feet (1 m) line 2) 6.5 feet (2 m) line 3) 10 feet (3 m) line The distance marker shows the distance on the road. If there is a car or other object close behind, distance cannot be correctl ...

For U.S.A.
The following information has been compiled according to Code of Federal Regulations “Title 49, Part 575”. ...