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2) identification of unit providing the service;
3) call sign of aeronautical station serving the unit and language(s) used, specifying the area and conditions, when and where to be used, if applicable;
and AD 2.17 Air traffic services airspace
4) call sign and language(s) of the ATS unit providing service;
Thus, it is is considered conditional data.
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The Unit providing the Service carries a name attribute that shall be used for the identification.
For certain specialisations of services a relationship to the concerned AirportHeliport can be defined. This is applicable for AD 2.17 Air traffic services airspaces.
The CallSignDetail class is used provide information about the operational identifierby which the provider of the service is called, i.e. the callSign and the language used.
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Shall a specific ISO 639 be recomended ( 2 letter 3 letter ?)? |
The Frequency on which the Service is provided is encoded by using the RadioCommunicationChannel.frequencyTransmission attribute and if applicable also the RadioCommunicationChannel.frequencyReception attribute (see also Radio Communication Channel).
The RadioCommunicationChannel.rank attribute can be used indicating the role of the communication channel, in terms of primary, alternate, emergency, etc.
For hours of service of the ATS Unit and its provided service see Schedules for Airspace.
Coding Rules
TBD
Coding Examples
The figure below shows an ATS Unit providing a Tower service within an airspace by using the DONLON CTR as example.
