CCD - country code

assigns a code to each country internationally recognised codes stipulated by ISO 3166-1 when referring to countries and subdivisions of countries
NOTE 1 to entry: Country codes are not unique to one country and can be repeated in non-neighbouring countries.
NOTE 2 to entry: In RDS, The Country Code is transmitted in the first 4-bits of the PI code to signal the origin of the audio programme, which may be different to the country where the transmitter is located.
NOTE 3 to entry: Defined in the RDS specification IEC 62106.

Application Area: Traffic and Travel Information